Former German Chancellor Helmut Kohl (R) reach out his hand to former U.S. President George Bush (C) as former Soviet Union President Mikhail Gorbachev applauds during a ceremony of the Konrad-Adenauer foundation to mark the upcoming 20-year anniversary of the fall of the wall which once divided communist East Berlin from capitalist west Berlin, in Berlin October 31, 2009. REUTERS/Fabrizio Bensch