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Its six sides gave a 360-degree defensive capability with firing slots for a total of 17 machine guns at two different heights
Full Transcript
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Its six sides gave a 360-degree defensive capability
00:00:05.073 --> 00:00:09.042
with firing slots for a total of 17 machine guns
00:00:09.042 --> 00:00:11.153
at two different heights.
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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.