Wikipedia
Oderturm
Der Oderturm is a 24-storey, office skyscraper in Frankfurt (Oder), Germany, built between 1968 and 1976 when the city was part of East Germany. It is arguably the tallest office building in Brandenburg, with a mobile telephony mast. Its roof is less than that of the Stern-Plaza in Potsdam, built in 1998. The hall containing Tropical Islands and the steam generator at Schwarze Pumpe power station are taller structures, though they lack occupied floors.