Berlin Wall

In this photograph released by the environmental group Greenpeace, German Chancellor Angela Merkel, front right, walks on Bornholmer Bridge as Greenpeace activists, background, fix a banner near the former checkpoint Bornholmer Strasse, during the celebrations of the 20th anniversary of the fall of the Berlin Wall in Berlin on Monday Nov. 9, 2009. The banner reads: '1989 fall of the wall in Berlin, 2009 climate change in Copenhagen! Make climate change history - act in Copenhagen!' (AP Photo/Greenpeace, Andreas Schoelzel)