Keywords: Karl-Marx-Allee U-Bahn Frankfurter Tor.jpg en Buildings of Block F on either side of Karl-Marx-Allee at Frankfurter Tor in Berlin Constructed in the 1950's by architects Karl Souradny Heinz Auspurg Werner Burghardt user Gryffindor own I release it into the public domain Gryffindor 17 01 10 April 2006 UTC Karl-Marx-Allee Block F |