Polscy studenci na podium Shell Eco-Marathon Europe 2015 - zdjęcie 90 // Roos Wolfensberger of Linde Hydrogen presents the 1st place award for UrbanConcept Hydrogen Fuel Cell to La Joliverie Polytech Nantes, #601, hydrogen UrbanConcept, competing for team La Joliverie Polytech Nantes, Polytech Nantes, Nantes, France during the Awards Ceremony on the final day of the Shell Eco-marathon Europe 2015 in Rotterdam, Netherlands, Sunday, May 24, 2015. (Patrick Post/AP Images for Shell)