Formula One World Championship: Sebastian Vettel (GER) Ferrari walks the track at Formula One World Championship, Rd18, United States Grand Prix, Preparations, Circuit of the Americas, Austin, Texas, USA, Thursday 20 October 2016.
Sebastian Vettel (GER) Ferrari walks the track at Formula One World Championship, Rd18, United States Grand Prix, Preparations, Circuit of the Americas, Austin, Texas, USA, Thursday 20 October 2016.