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Nazi Megastructures

S1-E3 U-Boat Base
Repeat

S1-E3 U-Boat Base

Saturday 6:55pm - 8pm More4
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Saturday, 7:55pm - 9pm More4 +1
Sunday, 1:15am - 2:20am More4
Sunday, 2:15am - 3:20am More4 +1
Sat 13 May, 8am - 9am National Geographic Channel
Sat 13 May, 9am - 10am National Geographic Channel +1
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Summary

A look at the concrete submarine pens built by the Nazis to protect their U-boats from allied bombs. The impenetrable safe havens were so huge and strong that they still survive today.

Education

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