A cameraman films a billard of the 15th United Nations Climate Change Conference (COP15) at Bella Center in Copenhagen, capital of Demark, Dec. 6, 2009. The conference will be held from Dec. 7 to 18.

　　A man walks past UN Climate Wall prior to the 15th United Nations Climate Change Conference (COP15) at Bella Center in Copenhagen, capital of Demark, Dec. 6, 2009. The conference will be held from Dec. 7 to 18.