Polscy studenci na podium Shell Eco-Marathon Europe 2015 - zdjęcie 1 // The Schluckspecht 5D, #503, diesel UrbanConcept, competing for team Schluckspecht 5 from University of Applied Sciences Offenburg, Offenburg Germany 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)