Formula One World Championship: Francesco Nenci (ITA) Sauber Race Engineer and Esteban Gutierrez (MEX) Sauber. Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 19 September 2013.
Francesco Nenci (ITA) Sauber Race Engineer and Esteban Gutierrez (MEX) Sauber.
Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 19 September 2013.