In this handout photo provided by the German Government Press Office (BPA), US President Barack Obama and German President Joachim Gauck wave to the media waiting outside the Bellevue Palace on June 19, 2013 in Berlin, Germany. Obama is visiting Berlin for the first time during his presidency and speaking close to the 50th anniversary of the historic speech by then-President John F. Kennedy in Berlin in 1963, during which he proclaimed the famous sentence: Ich bin ein Berliner.