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Famously also, of course, there was the defenses at Dover Castle and tunnels that had already been built into the cliffs during the Napoleonic era
Full Transcript
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Famously also, of course,
00:00:02.053 --> 00:00:05.006
there was the defenses at Dover Castle
00:00:05.006 --> 00:00:08.063
and tunnels that had already been built into the cliffs
00:00:08.063 --> 00:00:09.084
during the Napoleonic era.
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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.