Formula One World Championship: Pirelli signage. Formula One World Championship, Rd4, Bahrain Grand Prix, Practice, Bahrain International Circuit, Sakhir, Bahrain, Friday 19 April 2013.
Pirelli signage.
Formula One World Championship, Rd4, Bahrain Grand Prix, Practice, Bahrain International Circuit, Sakhir, Bahrain, Friday 19 April 2013.