Polscy studenci na podium Shell Eco-Marathon Europe 2015 - zdjęcie 12 // La Joliverie Polytech Nantes, #601, hydrogen UrbanConcept, competing for team La Joliverie Polytech Nantes, Polytech Nantes, Nantes, France on the track during practice day 2 of the Shell Eco-marathon Europe 2015 in Rotterdam, Netherlands, Thursday, May 21, 2015. (Ermindo Armino/AP Images for Shell)