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
Berlin Tegel Airport the airport's north side. Following the transfer of all charter traffic to Tegel, British Eagle, Dan-Air Services, Invicta International Airlines, Laker Airways and Modern Air Transport began stationing several of their jets at the airport. While British Eagle's and Invicta's presence at Tegel lasted only for the 1968 summer season, Dan-Air, Laker Airways and Modern Air were present at the airport for a number of years. In March 1971, Channel Airways began stationing aircraft at Tegel as well; however, its presence at the airport lasted only until the end of that year's summer season. Channel Airways's collapse in early 1972