SPA, BELGIUM - AUGUST 26:  Nico Rosberg of Germany driving the (6) Mercedes AMG Petronas F1 Team Mercedes F1 WO7 Mercedes PU106C Hybrid turbo fitted with the halo on track during practice for the Formula One Grand Prix of Belgium at Circuit de Spa-Francorchamps on August 26, 2016 in Spa, Belgium.  (Photo by Mark Thompson/Getty Images)