GP3 Round 1 - Barcelona, Spain: 2015 GP3 Series Round 1. Circuit de Catalunya, Barcelona, Spain. Sunday 10 May 2015. Jann Mardenborough, (GBR, Carlin) leads Esteban Ocon (FRA, ART Grand Prix). Photo: Zak Mauger/GP3 Series Media Service. ref: Digital Image _L0U5290
2015 GP3 Series Round 1.
Circuit de Catalunya, Barcelona, Spain.
Sunday 10 May 2015.
Jann Mardenborough, (GBR, Carlin) leads Esteban Ocon (FRA, ART Grand Prix).
Photo: Zak Mauger/GP3 Series Media Service.
ref: Digital Image _L0U5290