GP3 Round 1 - Barcelona, Spain: 2015 GP3 Series Round 1 - Circuit de Catalunya, Barcelona, Spain. Friday 8 May 2015. Campos Racing engineers work on GP3 car Photo: Sam Bloxham/GP3 Series Media Service. ref: Digital Image _SBL4188
2015 GP3 Series Round 1 - Circuit de Catalunya, Barcelona, Spain.
Friday 8 May 2015.
Campos Racing engineers work on GP3 car
Photo: Sam Bloxham/GP3 Series Media Service.
ref: Digital Image _SBL4188