2015 GP3 Series Round 1.
Circuit de Catalunya, Barcelona, Spain.
Saturday 9 May 2015.
Luca Ghiotto (ITA, Trident), Matheo Tuscher (SUI, Jenzer Motorsport), Marvin Kirchhofer (GER, ART Grand Prix) and other drivers in the scrutineer garage.
Photo: Zak Mauger/GP3 Series Media Service.
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