Williams Images , Joe Portlock
Sepang International Circuit, Sepang, Malaysia.
Sunday 1 October 2017.
Lance Stroll, Williams FW40 Mercedes, leads Carlos Sainz Jr, Toro Rosso STR12 Renault, and Pierre Gasly, Toro Roso STR12 Renault, on the formation lap.
World Copyright: Joe Portlock/LAT Images
ref: Digital Image _L5R7846