Danish riot police clashes with youths in Christiania, Copenhagen, Denmark, 14 December 2009. Television reports said that several groups erected barricades in front of Christiania, a self-proclaimed free, autonomous section of the city occupied by alternative lifestyle groups since the 1970s and covering 34 hectares (85 acres) in the borough of Christianshavn in the Danish capital Copenhage. Since the 12th December, police have arrested nearly 1,300 protestors at the climate change conference. EPA/YOAN VALAT +++(c) dpa – Bildfunk+++