Some days ago the day became night cause the densitity of the cloudes. It was unbelievable. As it starts to rain the prominent class room KOH-B-10 at the University of Zurich has shown that it leeks. Nice test environment would say computer scientists . The video blow shows how much! And the most strange thing is, that the video shows the true colours. Yes, the class room is painted in pink and the tables and seats in poison green