Photo taken Oct 31, 2009 at the Brandenburg Gate in Berlin shows a photo of US President Ronald Reagan acknowledging the crowd after his speech in front of the Brandenburg Gate in West Berlin, where he said 'Mr Gorbachev, tear down this wall!', on June 12, 1987. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

People look at a billboard featuring portraits of people and their recollections of the fall of the Berlin wall in 1989, at Berlin's KaDeWe (Kaufhaus des Westens) department store, rebaptised KaDeBe (Kaufhaus der Berliner, meaning Department store of Berliners instead of the usual Department store of the West) for the occasion, on November 5, 2009. Berlin has caught wall fever ahead of celebrations marking the 20th anniversary of the fall of the Berlin wall on November 9. Sign in window reads: 'Where were you on the 9th of November 1989?' AFP

Photo taken Oct 26, 2009 near the Reichstag in Berlin shows a photo of Berlin children playing on the remains of the Berlin Wall near West Berlin's Reichstag building, February 20, 1990, where East German border troops began tearing down the wall. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

Photo taken Nov 1, 2009 at former border crossing at Heinrich-Heine-Strasse in Berlin shows a photo of US President Richard Nixon looking across the communist wall into East Germany, from West Berlin, on Feb 27, 1969, during his stay in the divided city. Then German Chancellor Kurt Kiesinger is seen behind Nixon. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

Photo taken Oct 31, 2009 at the Potsdamer Platz in Berlin shows a photo of then Georgia Governor Jimmy Carter pointing toward East Berlin and the wall during a visit on May 20, 1973 in West Berlin. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

A replica in chocolate of the painting representing East German leader Erich Honecker and his Soviet counterpart Leonid Brezhnev made by a graffiti artist on the Berlin Wall in 1990, is displayed in the shop of French chocolate maker Patrick Roger in Paris, Thursday, Nov 5, 2009. Patrick Roger who was named in 2000, 'Best French Chocolatier' created several parts of the Berlin Wall to mark the 20th anniversary of the fall of the wall. AP

A worker walks through the reconstructed so called 'Death Strip' at the Wall Remembrance Memorial Bernauer Strasse in Berlin, Germany, Thursday, Nov 5, 2009, during preparations for the 20th anniversary of the opening of the Berlin Wall on Nov 9, 2009. AP

French Patrick Roger who was named in 2000, 'Best French Chocolatier', works on his new creation, a replica of the Berlin Wall, in Sceaux, south of Paris, Wednesday, Nov 4, 2009. French chocolate maker Patrick Roger will break the 12 meters high and 100 Kilograms chocolate wall on Monday, November 9, to mark the 20th anniversary of the fall of the Berlin Wall. AP

Photo taken Oct 26, 2009 at Checkpoint Charlie in Berlin shows a photo of Checkpoint Charlie as he it is visited by US President John F Kennedy on June 26, 1963. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

Russian artist Dmitry Vrubel poses in front of his artwork showing East German leader Erich Honecker kissing his Soviet counterpart, Leonid Brezhnev, left, at Madame Tussauds in Berlin, Thursday, November 5, 2009. Madame Tussauds presented the painting to the public as part of the 20th anniversary of the fall of the Berlin Wall. AP

Part of Berlin Wall displayed in Seoul

People walk past a section of the Berlin Wall displayed at Berlin Plaza in central Seoul on November 5, 2009. REUTERS

20th anniversary of the fall of Berlin Wall

German and European Union flags flutter in central Brussels near the European Council headquarters, a day before a EU leaders meeting, in this March 7, 2007 file photo. Twenty years after the fall of the Berlin Wall, Helmut Kohl's dream of a united Germany leading to a politically united Europe remains unfinished business. REUTERS

'Fall of the wall' edition Teddy bear

A special 'fall of the wall' edition Teddy bear, holding a piece of the orignal Berlin wall is for sale at Berlin's KaDeWe (Kaufhaus des Westens) department store, rebaptised KaDeBe (Kaufhaus der Berliner, meaning Department store of Berliners instead of the usual Department store of the West) for the occasion, on November 5, 2009. Berlin has caught wall fever ahead of celebrations marking the 20th anniversary of the fall of the Berlin wall on November 9. AFP