<Li> Dahme - Spreewald: Schönefeld (partially) </Li> <P> There were nine border crossings between East and West Berlin . These allowed visits by West Berliners, other West Germans, Western foreigners and Allied personnel into East Berlin, as well as visits by GDR citizens and citizens of other socialist countries into West Berlin, provided that they held the necessary permits . These crossings were restricted according to which nationality was allowed to use it (East Germans, West Germans, West Berliners, other countries). The most famous was the vehicle and pedestrian checkpoint at the corner of Friedrichstraße and Zimmerstraße, also known as Checkpoint Charlie, which was restricted to Allied personnel and foreigners . </P> <P> Several other border crossings existed between West Berlin and surrounding East Germany . These could be used for transit between West Germany and West Berlin, for visits by West Berliners into East Germany, for transit into countries neighbouring East Germany (Poland, Czechoslovakia, Denmark), and for visits by East Germans into West Berlin carrying a permit . After the 1972 agreements, new crossings were opened to allow West Berlin waste to be transported into East German dumps, as well as some crossings for access to West Berlin's exclaves (see Steinstücken). </P> <P> Four autobahns connected West Berlin to West Germany, the most famous being the Berlin - Helmstedt autobahn, which entered East German territory between the towns of Helmstedt and Marienborn (Checkpoint Alpha), and which entered West Berlin at Dreilinden (Checkpoint Bravo for the Allied forces) in southwestern Berlin . Access to West Berlin was also possible by railway (four routes) and by boat for commercial shipping via canals and rivers . </P>

Which of the following is also known as 'the berlin wall of asia'