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Flakturm VI

Flakturm VI

From Flakturm to green power station

Like the capital, Berlin, the German port city of Hamburg was fortified with two concrete Flak Towers ('Flaktürme' in German) between 1942 and 1944.

During air raids, thousands of civilians could take shelter in the bunkers. On each corner of the almost forty-meter-high colossi were four towers with anti-aircraft guns, hence the name 'Flak,' short for 'Flugabwehrkanone.'

In contrast to the Flaktürme in Berlin and the Flakturm in Hamburg's St. Pauli district (repurposed as apartments), the bunker in Hamburg-Wilhelmsburg belongs to the second generation of Flak Tower architecture. They are slightly more compact than their predecessors.

Construction of the Flakturm was completed by October 1943, absorbing 80,000 cubic meters of reinforced concrete—an attempt to blow up the colossus after World War II failed. From 2010 onwards, the Flakturm was repurposed as an 'Energy Bunker'. The Flakturm houses a biomass power plant and heat accumulator; solar panels cover the roof. On the top floor, a terrace gives you a view of Hamburg's port.

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