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To keep their cover, often overseas engineers like the Canadians were brought in to build hidden hideaways in carefully chosen strategic locations
Full Transcript
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To keep their cover,
00:00:02.042 --> 00:00:05.009
often overseas engineers like the Canadians
00:00:05.009 --> 00:00:07.081
were brought in to build hidden hideaways
00:00:07.081 --> 00:00:10.743
in carefully chosen strategic locations.
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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.