Formula One World Championship: Susie Wolff (GBR) Williams Test and Development Driver and Toto Wolff (AUT) Mercedes AMG F1 Director of Motorsport at Formula One World Championship, Rd9, British Grand Prix, Practice, Silverstone, England, Friday 3 July 2015.
Susie Wolff (GBR) Williams Test and Development Driver and Toto Wolff (AUT) Mercedes AMG F1 Director of Motorsport at Formula One World Championship, Rd9, British Grand Prix, Practice, Silverstone, England, Friday 3 July 2015.