To create a safe haven in port for their lethal U-boat submarines, the Nazis built massive, impenetrable concrete submarine pens. Structures too immense to be hidden, they were constructed to withstand direct hits from even the biggest Allied bombs. Such was their size and strength that these pens still survive today, a testament to their engineering.
Prossime messe in onda
2 slots-
martedì, 3 nov 07:10 – 08:10
S1E1 - Nazi Megastructures
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mercoledì, 4 nov 06:50 – 07:50
S1E2 - Nazi Megastructures
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