Formula One World Championship: Ferrari mechanic and Pirelli technicians and Pirelli tyres at Formula One World Championship, Rd18, United States Grand Prix, Practice, Circuit of the Americas, Austin, Texas, USA, Friday 21 October 2016.
Ferrari mechanic and Pirelli technicians and Pirelli tyres at Formula One World Championship, Rd18, United States Grand Prix, Practice, Circuit of the Americas, Austin, Texas, USA, Friday 21 October 2016.