The individually painted dominos topple by Former Polish President Lech Walesa along the route of the former Berlin Wall in front of the Reichstag in Berlin , as part of the celebrations marking the 20th anniversary of the fall of the Berlin Wall. Some 1,000 giant dominos, many of them decorated by schoolchildren, will be toppled during the official ceremony in Berlin on November 9, 2009, the day of the commemoration of the 20th anniversary of the fall of the wall.BERLIN - GERMANY 09/11/2009.