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Britain's defense structures needed to be fortified and make use of the latest technology
Full Transcript
00:00:01.000 --> 00:00:04.019
Britain's defense structures needed to be fortified
00:00:04.019 --> 00:00:07.236
and make use of the latest technology.
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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.