BERLIN - NOVEMBER 09:  (L-R) British Prime Minister Gordon Brown, French President Nicolas Sarkozy, German Chancellor Angela Merkel, Russian President Dmitry Medvedev and German President Horst Koehler and Berlin's Major Klaus Wowereit attend the celebrations for the fall of the Berlin Wall near the Brandenburg Gate on November 9, 2009 in Berlin, Germany. Approximately 1,000 dominoes, painted by schoolchildren and artists all over the world, are meant to symbolically represent the end of communist rule across Eastern Europe and are the highlight of celebrations in the German capitol marking the 20th anniversary of the fall of the Berlin Wall. Getty Images logo Getty Images 27 months ago

BERLIN - NOVEMBER 09: (L-R) British Prime Minister Gordon Brown, French President Nicolas Sarkozy, German Chancellor Angela Merkel, Russian President Dmitry Medvedev and German President Horst Koehler and Berlin's Major Klaus Wowereit attend the celebrations for the fall of the Berlin Wall near the Brandenburg Gate on November 9, 2009 in Berlin, Germany. Approximately 1,000 dominoes, painted by schoolchildren and artists all over the world, are meant to symbolically represent the end of communist rule across Eastern Europe and are the highlight of celebrations in the German capitol marking the 20th anniversary of the fall of the Berlin Wall.