European Rover Challenge 2015, 5-6 September, Podzamcze near Chęciny near Kielce, Poland. Showcases on the track on the 6th of September. Rover Scorpio IV of Wrocław University of Technology (Politechnika Wrocławska), winner of the first European Rover Challenge in 2014, 3rd place in University Rover Challenge 2015 in USA (category), presented to the public.