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
Nouakchott–Oumtounsy International Airport Nouakchott–Oumtounsy International Airport Nouakchott–Oumtounsy International Airport () is an international airport serving Nouakchott, the capital of Mauritania. It is located north of the city. The airport opened in June 2016 as the replacement for Nouakchott International Airport. Egis Group designed the airport, which is the largest project in Mauritania since 1960. The Government of Mauritania approved the plan on 13 October 2011, and local company Najah for Major Works (NMW) started construction the following month. Oumtounsy Airport opened on 23 June 2016, in time for the 27th Arab League summit in late July. It replaces Nouakchott International Airport, which is