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What made it attractive is it had a steel frame, so this was felt to be very strong, but what people hadn't factored in is they'd also built in a series of courtyards in the middle of the building
Full Transcript
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What made it attractive is it had a steel frame,
00:00:03.049 --> 00:00:05.051
so this was felt to be very strong,
00:00:05.051 --> 00:00:07.001
but what people hadn't factored in is
00:00:07.001 --> 00:00:09.011
they'd also built in a series of courtyards
00:00:09.011 --> 00:00:10.025
in the middle of the building.
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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.