20th anniversary of the fall of Berlin Wall

Twenty years ago, a wall crumbled in Berlin. And under that wall, a long and nasty ideological war got buried. The Berlin Wall - one of the modern world’s most potent symbol of artificial boundaries - was ‘consecrated’ by a sea of people, united in their commitment and conviction. A man walks past a historical photo of a border post near the back wall of a preserved segment of the Berlin wall during a commemorative event to mark the 20th anniversary of the fall of the wall in Berlin on November 9, 2009. (AFP Photo)

US Secretary of State Hillary Clinton (C, R) poses with pupils of the Torhorst-School of Oranienburg, eastern Germany, who painted a domino stone requested by the US embassy in front of the Brandenburg Gate in Berlin on November 9, 2009. Some 1,000 giant dominos, many of them decorated by schoolchildren, will be toppled during the official ceremony for the 20th anniversary of the fall of the wall. (AFP Photo)

Children draw in front of the back wall (east side, looking west onto the death strip) of a preserved segment of the Berlin wall during a commemorative event to mark the 20th anniversary of the fall of the wall in Berlin. (AFP Photo)

The former US secretary of state Henry Kissinger, former president of the Soviet Union Mikhail Gorbachev and German publishe Friede Springer attend an unveiling ceremony of a bust of Mikhail Gorbachev by French artist Serge Mangin in Berlin. Germany is celebrating the 20th anniversary of the fall of the Berlin Wall with many world leaders coming to Berlin to mark the event. (AFP Photo)

The former President of the Soviet Union Mikhail Gorbachev stands next to a bust of himself by French artist Serge Mangin after unveiling it to guests in Berlin. (AFP Photo)

(L-R) Former German foreign minister Hans-Dietrich Genscher (L) former US secretary of state Henry Kissinger and former president of the Soviet Union Mikhail Gorbachev pose before unveiling the bust of Mikhail Gorbachev by French artist Serge Mangin in Berlin. (AFP Photo)

German Chancellor Angela Merkel (R) and US Secretary of State Hillary Clinton give a statement prior to bilateral talks on November 9, 2009 at the Chancellory in Berlin, ahead of celebrations for the 20th anniversary of the fall of the wall. (AFP Photo)

People look at the individually painted dominos along the former route of the wall in front of the Reichstag in Berlin. Some 1,000 giant dominos, many of them decorated by schoolchildren, will be toppled during the official ceremony. (AFP Photo)

People look at the individually painted dominos along the former route of the wall in front of landmark Brandenburg Gate in Berlin. (AFP Photo)

A woman walks past slabs of the former Berlin wall inscribed with the number of people who died each year trying to escape from east Germany at the wall memorial of the Marie-Elisabeth Lueders House of the German parliament in Berlin. (AFP Photo)

People gather behind the back wall (east side, looking west) of a preserved segment of the Berlin wall during a commemorative event to mark the 20th anniversary of the fall of the wall in Berlin. (AFP Photo)

Bodypainting models pose in front of a recreation part of the Berlin wall during a bet at the 184th edition of the TV show "Wetten, dass..?" (Let's Make a Bet. (AFP Photo)