GP3 Round 3 - Silverstone, UK: 2015 GP3 Series Round 3. Silverstone, Northamptonshire, England. Thursday 2 July 2015. The Carlin team practice pitstops in the pit lane as Jann Mardenborough, (GBR, Carlin) watches. Photo: Zak Mauger/GP3 Series Media Service. ref: Digital Image _L0U1864
2015 GP3 Series Round 3.
Silverstone, Northamptonshire, England.
Thursday 2 July 2015.
The Carlin team practice pitstops in the pit lane as Jann Mardenborough, (GBR, Carlin) watches.
Photo: Zak Mauger/GP3 Series Media Service.
ref: Digital Image _L0U1864