Formula One World Championship: Nico Hulkenberg (GER) Sauber walks the track. Formula One World Championship, Rd9, German Grand Prix, Preparations, Nurburgring, Germany, Thursday 4 July 2013.
Nico Hulkenberg (GER) Sauber walks the track.
Formula One World Championship, Rd9, German Grand Prix, Preparations, Nurburgring, Germany, Thursday 4 July 2013.