Some 40 pairs of identical twins met at Babelsberg Film Park in Potsdam just outside Berlin on Saturday. According to the organizers, the participants in the 21st twin meeting came from all over Germany and Switzerland, including cities like Munich, Kiel and Hanover. The youngest were small children, while the oldest were already pensioners. The idea for the annual meeting arose over 20 years ago. Siblings from a twin family in Bremen regularly visited a brother in Berlin. A spokesman for the organizers said that this led to the idea of inviting more twins. The pairs of twins also planned to w…