GP3 Round 3 - Silverstone, UK: 2015 GP3 Series Round 3. Silverstone, Northamptonshire, England. Saturday 4 July 2015. Ralph Boschung (SUI, Jenzer Motorsport) leads Artur Janosz (POL, Trident) Photo: Sam Bloxham/GP3 Media Service ref: Digital Image _G7C1132
2015 GP3 Series Round 3.
Silverstone, Northamptonshire, England.
Saturday 4 July 2015.
Ralph Boschung (SUI, Jenzer Motorsport) leads Artur Janosz (POL, Trident)
Photo: Sam Bloxham/GP3 Media Service
ref: Digital Image _G7C1132