The construction of bunkers was also in its infancy. After concrete was first reinforced with pieces of granite, steel-reinforced concrete was later used. At the beginning of the 1930s, two rows of different wall variants with sometimes thick, sometimes thinner reinforcement bars and different concrete mixes and mesh sizes were erected and shot at to test the bullet resistance. Unbelievable the holes shot in these wall monsters ...

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Stephan

April 29, 2025

Always beautiful! Very impressive!

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Elevation 50 m

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Wednesday 5 November

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Location: Nuthe-Urstromtal, Teltow-Fläming, Potsdam-Mittelmark, Brandenburg, Germany

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