Dominos fall during ceremony commemorating the 20th anniversary of the fall of the Wall

Giant dominos tumble in front world leaders including British Prime Minister Gordon Brown, French President Nicolas Sarkozy, German Chancellor Angela Merkel, Russian President Dmitry Medvedev, German President Horst Koehler, Berlin Mayor Klaus Wowereit and U.S. Secretary of State Hillary Clinton at the Brandenburg Gate during a ceremony commemorating the 20th anniversary of the fall of the Wall in Berlin on November 9, 2009. The dominos, made by young Germans, lined the path followed by the original wall. UPI/David Silpa