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This, two-story hexagonal mine control tower, with concrete and brick walls over half a meter thick, reaches skywards, 10 meters high
Full Transcript
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This, two-story hexagonal mine control tower,
00:00:03.096 --> 00:00:07.069
with concrete and brick walls over half a meter thick,
00:00:07.069 --> 00:00:10.603
reaches skywards, 10 meters high.
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Movie Summary
During World War II, the British built or reinforced a series of structures consisting of over 26,000 buildings to form a line of defence against an expected German invasion. Rob Bell travels around the UK to learn their secrets.