This map is a metro-spotter’s wet dream. It shows all the cities in the world that have, or are planning, an urban rail system of some sort. Like the iconic London Underground map based on Harry Beck’s 1933 original, this one sacrifices geographic correctness for ease of use. Europe’s relatively dense network spills over into Asia; South America is reduced to a single loop.
From the heart of the Cold War, a depiction of Berlin’s subway system from the East German point of view. West Berlin is reduced to a strange, void no-man’s land, completely surrounded by East Berlin’s transit system. You simply can’t get there from here. Just like China Meiville's 'The City & The City'