Even then the two Berlins were not totally isolated from one another, but the extent of remaining contacts was very limited: postal service, a teletype connection between the police forces, telephone connections between the transit systems and the fire departments, Western subway lines that traveled under Eastern territory without stopping, a train system in the West operated by the East, Eastern water serving a few corners of West Berlin, and sewage flowing freely under the Wall wherever gravity so dictated. The result was a need for a few discreet technical discussions and an occasional
...more
