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During World War II, the Royal Navy sought to make the River Crouch inaccessible to enemy craft
Full Transcript
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During World War II,
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the Royal Navy sought to make the River Crouch
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inaccessible to enemy craft.
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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.