GALLERY: The best imagery from Russia
A selection of the finest images from the fourth round of the 2017 FIA Formula One World Championship at the Sochi Autodrom...
From Sunday...

Palmer (GBR) Renault Sport F1 Team and Hulkenberg (GER) Renault Sport F1 Team sign autographs at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber signs poses for a photograph at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Kevin Magnussen (DEN) Haas F1 signs autographs for the fans at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Felipe Massa (BRA) Williams at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Christian Horner (GBR) Red Bull Racing Team Principal at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Atmosphere at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Number boards at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Bottas (FIN) Mercedes AMG F1, Massa (BRA) Williams and Vettel (GER) Ferrari on the drivers parade at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Drivers parade at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Drivers parade at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Grid entertainment at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Daniil Kvyat (RUS) Scuderia Toro Rosso and Vitaly Petrov (RUS) on the drivers parade at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Drivers observe the national anthem on the grid at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race retiree Fernando Alonso (ESP) McLaren walks on track at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Valtteri Bottas leads Sebastian Vettel and Kimi Raikkonen at the start of the race at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Bottas (FIN) Mercedes-Benz F1 W08 Hybrid and Vettel (GER) Ferrari SF70-H lead at the start of the race at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Grosjean (FRA) Haas VF-17 collides with Palmer (GBR) Renault Sport F1 Team RS17 at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Grosjean (FRA) Haas VF-17 and Palmer (GBR) Renault Sport F1 Team RS17 crash on lap one at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Grosjean (FRA) Haas VF-17 and Palmer (GBR) Renault Sport F1 Team RS17 crash on lap one at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM10 at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Bottas Mercedes-Benz F1 W08 Hybrid leads Vettel Ferrari SF70-H and Raikkonen Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Jolyon Palmer (GBR) Renault Sport F1 Team RS17 crashes on lap one at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Grosjean (FRA) Haas VF-17 and Palmer (GBR) Renault Sport F1 Team RS17 collide on lap one at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF70-H makes a pitstop at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Max Verstappen (NED) Red Bull Racing RB13 a pitstop at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid leads Sebastian Vettel (GER) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid leads Sebastian Vettel (GER) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid celebrates in parc ferme at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Bottas Mercedes-Benz F1 celebrates in parc ferme with Vettel (GER) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Vladimir Putin, President of Russia celebrates with winner Bottas, Vettel, Raikkonen and Tony Ross at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Valtteri Bottas (FIN) Mercedes AMG F1 celebrates on the podium with the champagne at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Bottas (FIN) Mercedes and Lewis Hamilton (GBR) Mercedes celebrate in parc ferme at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Valtteri Bottas (FIN) Mercedes AMG F1 celebrates in parc ferme at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

(L to R): Vettel Ferrari, Ross (GBR), Bottas Mercedes and Raikkonen Ferrari celebrate on the podium at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Bottas Mercedes AMG F1 and Vettel Ferrari celebrate on the podium at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Putin, President of Russia presents the trophy to race winner Bottas Mercedes on the podium at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Valtteri Bottas (FIN) Mercedes AMG F1 celebrates on the podium with the trophy at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari celebrates on the podium with the trophy at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Vettel Ferrari and Race winner Bottas Mercedes celebrate on the podium with the champagne at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Safety car leads Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Vettel Ferrari SF70-H, Bottas Mercedes-Benz and Raikkonen Ferrari SF70-H in parc ferme at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Raikkonen (FIN) and Race winner Bottas (FIN) celebrate on the podium with the champagne at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Bottas Mercedes AMG F1 celebrates with the trophy alongside Hamilton and the team at F1 World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images

Race winner Valtteri Bottas (FIN) Mercedes AMG F1 celebrates with the champagne and the team at Formula One World Championship, Rd4, Russian Grand Prix, Race, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Sunday 30 April 2017. © Sutton Motorsport Images
From Saturday...

The helmets of Felipe Massa (BRA) Williams with #BillyWhizz at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Daniil Kvyat (RUS) Scuderia Toro Rosso and girlfriend Kelly Piquet (BRA) at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Esteban Ocon (FRA) Force India at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Aerial view at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Aerial view at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Aerial view at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Max Verstappen (NED) Red Bull Racing RB13 at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Esteban Ocon (FRA) Force India VJM10 at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Nico Hulkenberg (GER) Renault Sport F1 Team RS17 at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Lance Stroll (CDN) Williams FW40 at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Max Verstappen (NED) Red Bull Racing RB13 at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Scuderia Toro Rosso mechanics push the car of Kvyat (RUS) Scuderia Toro Rosso STR12 in pit lane at F1 World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF70-H and Ferrari mechanics in the pitlane at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Ferrari wheel gun at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images and Kym Illman

Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Russian Doll of Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images and Kym Illman

Renault mechanics with the car of Palmer (GBR) Renault Sport F1 Team RS17 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images and Kym Illman

Force India VJM10 makes a practice pitstop at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images and Kym Illman

Sebastian Vettel (GER) Ferrari SF70-H and Kimi Raikkonen (FIN) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Veniamin Kondrytyev (RUS), Dmitry Kozak (RUS) and Daniil Kvyat (RUS) Scuderia Toro Rosso at F1 World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Max Verstappen (NED) Red Bull Racing RB13 runs wide at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images and Kym Illman

Pole sitter Sebastian Vettel (GER) Ferrari celebrates in parc ferme at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

(L to R): Bottas Mercedes, pole sitter Vettel Ferrari and Raikkonen Ferrari celebrate at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Verstappen (NED) Red Bull Racing RB13 takes the chequered flag at the end of Qualifying at F1 World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Grid girls at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

The crashed car of Jolyon Palmer (GBR) Renault Sport F1 Team RS17 in Qualifying at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Pole sitter Vettel (GER) Ferrari SF70-H and Raikkonen (FIN) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Pole sitter Sebastian Vettel (GER) Ferrari celebrates in parc ferme at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

(L to R): Raikkonen Ferrari, Vettel Ferrari and Bottas Mercedes AMG F1 in the Press Conference at F1 World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari in the media pen at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Marshals at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images

Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Qualifying, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Saturday 29 April 2017. © Sutton Motorsport Images
From Friday...

Valtteri Bottas (FIN) Mercedes AMG F1 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Ferrari mechanics with Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren and Tom Castermans, Bell Helmets F1 Co-ordinator at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Williams Williams Deputy Team Principal and Lowe Williams Shareholder and Technical Director at F1 World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Esteban Ocon (FRA) Force India F1 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari on the phone at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari fans seflie at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Daniil Kvyat (RUS) Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 stops on track in FP1 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MCL32 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Max Verstappen (NED) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB13 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sauber C36 steering wheel at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Daniil Kvyat (RUS) Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Maurizio Arrivabene (ITA) Ferrari Team Principal at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Pascal Wehrlein (GER) Sauber at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Stoffel Vandoorne (BEL) McLaren MCL32 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Kevin Magnussen (DEN) Haas VF-17 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Yusuke Hasegawa (JPN) Head of Honda Motorsport at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 steering wheel at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Stoffel Vandoorne (BEL) McLaren at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Felipe Massa (BRA) Williams at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Jolyon Palmer (GBR) Renault Sport F1 Team RS17 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid pit stop at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Russian Doll at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Lance Stroll (CDN) Williams FW40 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Stoffel Vandoorne (BEL) McLaren MCL32 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

McLaren MCL32 rear wing detail at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Daniil Kvyat (RUS) Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Esteban Ocon (FRA) Force India VJM10 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Jolyon Palmer (GBR) Renault Sport F1 Team RS17 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Nico Hulkenberg (GER) Renault Sport F1 Team RS17 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

The car of Max Verstappen (NED) Red Bull Racing RB13 is recovered in FP2 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing talks with the media at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Pascal Wehrlein (GER) Sauber C36 at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Ferrari SF70-H steering wheel detail at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Mercedes-Benz F1 W08 Hybrid rear floor detail at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF70-H at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images

Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid at Formula One World Championship, Rd4, Russian Grand Prix, Practice, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Friday 28 April 2017. © Sutton Motorsport Images
And from Thursday...

Daniil Kvyat (RUS) Scuderia Toro Rosso walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Renault Sport F1 Team RS17 front suspension detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Main straight at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Scuderia Toro Rosso STR12 front brake and wheel hub detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sergio Perez (MEX) Force India walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Red Bull Racing pit box gantry at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Pascal Wehrlein (GER) Sauber walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari SF70-H nose and front wing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Williams pit wall gantry at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Williams FW40 in the garage at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Haas VF-17 bodywork at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Haas VF-17 nose at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Chassis and aero detail of Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

McLaren pit box boom at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sauber C36 nose and front wings at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso with the Toro Rosso engineers at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari logo at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Paddock at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Track view at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Force India mechanics with Force India VJM10 in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Safety car at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sergio Perez (MEX) Force India at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Williams mechanics with Williams FW40 in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Podium at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 Test Driver walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Kevin Magnussen (DEN) Haas F1 talks with the media at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Pascal Wehrlein (GER) Sauber walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari mechanic and Pirelli tyres at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Maurizio Arrivabene (ITA) Ferrari Team Principal at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Valtteri Bottas (FIN) Mercedes AMG F1 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari mechanics with Ferrari SF70-H in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Lance Stroll (CDN) Williams at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sergey Sirotkin (RUS) Renault Sport F1 Team at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Pascal Wehrlein (GER) Sauber in the Press Conference at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Red Bull Racing mechanics with Red Bull Racing RB13 in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari SF70-H rear wheel hub at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Marshal at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Daniil Kvyat (RUS) Scuderia Toro Rosso talks to the media at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Bottas Mercedes AMG F1, Kvyat Scuderia Toro Rosso and Grosjean Haas F1 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari signs autographs for the fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ricciardo Red Bull Racing signs autographs for the fans at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Fans at the pitlane walkabout at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari mechanics make a practice pitstop at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Jacques Villeneuve (CDN) Movistar TV at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari SF70-H aero detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Ferrari SF70-H nose detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Romain Grosjean (FRA) Haas F1 in the Press Conference at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari in the Press Conference at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sergio Perez Force India signs autographs for the fans at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Felipe Massa (BRA) Williams fans selfie at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 fans selfie at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Daniil Kvyat (RUS) Scuderia Toro Rosso and fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Vitaly Petrov (RUS) and Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images

Max Verstappen (NED) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
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