Formula One World Championship: Workers wash the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Wednesday 27 April 2016.
Workers wash the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Wednesday 27 April 2016.