From left: Red Bull's driver Daniil Kvyat and Sauber's driver Felipe Nasr participate in the Russian round of the 2015 Formula One World Championship.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Red Bull's driver Daniil Kvyat participates in the Russian round of the 2015 Formula One World Championship.

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Sahara Force India's Sergio Perez, center, and constructors celebrating victory in the F1 Russian Grand Prix.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' Lewis Hamilton, who took the first place in the F1 Russian Grand Prix.

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Mercedes' Lewis Hamilton, who took the first place in the F1 Russian Grand Prix, during the award ceremony.

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Mercedes' Lewis Hamilton, who took the first place in the F1 Russian Grand Prix, during the award ceremony.

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Winners in the F1 Russian Grand Prix during the award ceremony (from left): Mercedes' Lewis Hamilton, who took the first place, Ferrari's Sebastian Vettel, who took second place, and Sahara Force India's Sergio Perez, who took third place.

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Winners in the F1 Russian Grand Prix during the award ceremony (from left): Sahara Force India's Sergio Perez, who took third place, Mercedes' Lewis Hamilton, who took the first place, and Ferrari's Sebastian Vettel, who took second place.

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Race drivers competing at the start of F1 Russian Grand Prix.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' drivers Nico Rosberg, foreground, and Lewis Hamilton participate in the Russian round of the 2015 Formula One World Championship.

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Red Bull's driver Daniil Kvyat participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Red Bull's driver Daniil Kvyat participates in the Russian round of the 2015 Formula One World Championship.

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Force India's driver Sergio Pérez participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' Lewis Hamilton, who took first place at the F1 Russian Grand Prix, during the award ceremony.

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Force India's driver Sergio Pérez participates in the Russian round of the 2015 Formula One World Championship.

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KHL (Kontinental Hockey League) Executive Board Member, KHL Board of Directors Chairman’s Counsellor, HC SKA Vice President Roman Rotenberg watching the F1 Russian Grand Prix race from the stands.

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Mercedes' Lewis Hamilton on the racing track of the F1 Russian Grand Prix.

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Ferrari's Sebastian Vettel on the racing track of the F1 Russian Grand Prix.

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Red Bull's driver Daniil Kvyat participates in the Russian round of the 2015 Formula One World Championship.

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Force India's driver Sergio Pérez participates in the Russian round of the 2015 Formula One World Championship.

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Red Bull's driver Daniil Kvyat participates in the Russian round of the 2015 Formula One World Championship.

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Toro Rosso's driver Carlos Sainz, Jr. participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Ferrari's Sebastian Vettel, who took second place at the F1 Russian Grand Prix, during the award ceremony.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Mercedes' Lewis Hamilton, who took the first place in the F1 Russian Grand Prix, during the award ceremony.

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Mercedes' Lewis Hamilton, who took the first place in the F1 Russian Grand Prix, during the award ceremony.

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Ferrari's Sebastian Vettel, who took second place in the F1 Russian Grand Prix, during the award ceremony.

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Mercedes' Lewis Hamilton, who took the first place in the F1 Russian Grand Prix, during the award ceremony.

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Force India F1 team driver Sergio Perez, third place winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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Mercedes' driver Lewis Hamilton participates in the Russian round of the 2015 Formula One World Championship.

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Force India F1 team driver Sergio Perez, third place winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula One Russian Grand Prix race, seen here after his victory.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula One Russian Grand Prix race, seen here after his victory.

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Winners of the 2015 Formula One Russian Grand Prix during the awarding ceremony. From left: Ferrari F1 team's driver Sebastian Vettel, second place; Andy Cowell, Managing Director, Mercedes AMG High Performance Powertrains; Mercedes F1 team driver Lewis Hamilton, first place winner, and Force India's driver Sergio Perez, third place.

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Ferrari team's racing driver Sebastian Vettel who came second in the Formula 1 Russian Grand Prix.

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Mercedes team's racing driver Lewis Hamilton after winning the Formula 1 Russian Grand Prix.

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Ferrari F1 team driver Sebastian Vettel, second place winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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Winners of the Formula 1 Russian Grand Prix, from left: Sergio Perez (Force India, third), Lewis Hamilton (Mercedes, first) and Sebastian Vettel (Ferrari, second).

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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Winners of the 2015 Formula 1 Russian Grand Prix during the awarding ceremony. From left: Force India F1 team driver Sergio Perez, third place winner, and Mercedes F1 team driver Lewis Hamilton, first place.

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Winners of the Formula 1 Russian Grand Prix, from left: Lewis Hamilton (Mercedes, first), Sergio Perez (Force India, third), Sebastian Vettel (Ferrari, second).

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Mercedes F1 team driver Lewis Hamilton (right), winner of the 2015 Formula 1 Russian Grand Prix, and Andy Cowell, Managing Director, Mercedes AMG High Performance Powertrains, during the awarding ceremony.

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Winners of the Russian Formula 1 Grand Prix, during the award ceremony, from left: Ferrari's Sebastian Vettel, second spot; Mercedes' Lewis Hamilton, top spot.

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Ferrari's Sebastian Vettel, winner of the second place at the Russian Formula 1 Grand Prix, during the award ceremony.

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Mercedes' Lewis Hamilton, winner of the Russian Formula 1 Grand Prix, during the award ceremony.

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Winners of the Formula 1 Russian Grand Prix, from left: Sergio Perez (Force India, third), Lewis Hamilton (Mercedes, first) and Sebastian Vettel (Ferrari, second).

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Mercedes' Lewis Hamilton, winner of the Russian Formula 1 Grand Prix, during the award ceremony.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula One Russian Grand Prix race, seen here during the awarding ceremony.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula One Russian Grand Prix race.

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Mercedes F1 team driver Lewis Hamilton, winner of the 2015 Formula 1 Russian Grand Prix, during the awarding ceremony.

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