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And to obviously avoid the hills behind, we've got a tunnel that stretched on for over 1,500 meters right through the hillside, and at the other end
Full Transcript
00:00:01.000 --> 00:00:03.046
And to obviously avoid the hills behind,
00:00:03.046 --> 00:00:07.037
we've got a tunnel that stretched on for over 1,500 meters
00:00:07.037 --> 00:00:10.037
right through the hillside, and at the other end.
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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.