Formula One World Championship: Christian Horner (GBR) Red Bull Racing Team Principal and Dr Helmut Marko (AUT) Red Bull Motorsport Consultant. Formula One World Championship, Rd4, Bahrain Grand Prix, Practice, Bahrain International Circuit, Sakhir, Bahrain, Friday 19 April 2013.
Christian Horner (GBR) Red Bull Racing Team Principal and Dr Helmut Marko (AUT) Red Bull Motorsport Consultant.
Formula One World Championship, Rd4, Bahrain Grand Prix, Practice, Bahrain International Circuit, Sakhir, Bahrain, Friday 19 April 2013.