German Chancellor Angela Merkel (C), former Soviet Union President Mikhail Gorbachev (L) and former Polish President Lech Walesa pose with a historical picture showing Bornholmer Bridge (Bornholmer Bruecke) in Berlin November 9, 2009, during celebrations to mark the 20th anniversary of the fall of the Berlin Wall. Reuters Pictures logo Reuters Pictures 27 months ago

German Chancellor Angela Merkel (C), former Soviet Union President Mikhail Gorbachev (L) and former Polish President Lech Walesa pose with a historical picture showing Bornholmer Bridge (Bornholmer Bruecke) in Berlin November 9, 2009, during celebrations to mark the 20th anniversary of the fall of the Berlin Wall.