A school class from Germany strolls through the Green Prater in Vienna on Friday. One of the boys shakes a defective door of the toilet system in front of the Arena meadow. “Mrs. teacher, hamse times 50 cents for me? I urgently need to go to the toilet!” In the meantime, two other girls succeed in opening the doors without coins, a boy, which is with the urgency of dancing, has now discovered the free -reaching pissoirs on the other.