Polscy studenci na podium Shell Eco-Marathon Europe 2015 - zdjęcie 81 // Roos Wolfensberger of Linde Hydrogen presents the 1st place award for Prototype Hydrogen Fuel Cell to the Ecorunner 5, #202, hydrogen Prototype, competing for Eco-Runner Team Delft from Delft University of Technology, Delft, Netherlands 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)