Grüner Bunker St.Pauli Hamburg
St. Pauli Bunker During WWII The bunker at Feldstrasse, originally called Flakturm IV (lit. ‚Flak Tower IV‘), is one of the largest ever built. In 1942, one thousand forced labourers were orderd to build the structure, which measures 75 by 75 metres in width and 35 metres in height, with walls that are 3.5 metres thick. It was designed [...]