Formula One World Championship: Felipe Nasr (BRA) Sauber walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 28 April 2016.
Felipe Nasr (BRA) Sauber walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 28 April 2016.