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BERLIN, GERMANY - OCTOBER 03: Visitors enjoy beer on German Unity Day (Tag der Deutschen Einheit) at the Brandenburg Gate on October 3, 2014 in Berlin, Germany. Germany is celebrating the 24th anniversary of the day when former West Germany and East Germany reunited into modern Germany in 1990 following the end of the Cold War. This year Germany will also celebrate the 25th anniversary of the fall of the Berlin Wall that heralded the collapse of communist authority in East Germany. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - OCTOBER 03:  Visitors enjoy beer on German Unity Day (Tag der Deutschen Einheit) at the Brandenburg Gate on October 3, 2014 in Berlin, Germany. Germany is celebrating the 24th anniversary of the day when former West Germany and East Germany reunited into modern Germany in 1990 following the end of the Cold War. This year Germany will also celebrate the 25th anniversary of the fall of the Berlin Wall that heralded the collapse of communist authority in East Germany.  (Photo by Sean Gallup/Getty Images)