Formula One World Championship: Sauber C32c rear wing detail and passive DRS. Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa-Francorchamps, Belgium, Friday 23 August 2013.
Sauber C32c rear wing detail and passive DRS.
Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa-Francorchamps, Belgium, Friday 23 August 2013.