Tegel the end of 1948. Tegel is chiefly known for being the location of Berlin-Tegel "Otto Lilienthal", Berlin's main airport. It also houses the Tegel Penitentiary, Germany's largest prison with about 1,700 inmates as of 2007, known from Alfred Döblin's 1929 novel Berlin Alexanderplatz. One of Berlin's largest shopping malls "Borsighallen" is located in the former locomotive manufacturing halls of the "Borsigwerke". There is also the "Villa Borsig" at the shore of Lake Tegel, the former residence of the Borsig family. Today it is a school for future diplomats. Beside this Tegel is an extensive residential district with some industry. With
Airport city logically combined elements that reinforce each other. Services and facilities are designed to guide travelers easily through the airport process. Access is key for passengers, cargo, businesses, and residents, many of whom work in the airport city. "Time" has named it as one of "10 ideas that will change the world". The chapter "The Way Forward" from "Global Airport Cities" describes the basic airport city drivers, which have evolved with different spatial forms predicated on available land and ground transportation infrastructure: The most common airside and landside airport city commercial activities include: duty-free shops and airline lounges; restaurants, catering, and