Uploaded January 2020 | Updated September 2026, 1 week ago

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This WW2 shelter is situated in Inverclyde, Scotland. It was built by a team of Polish workers in 1939, is 600 metres in length, an average of 45 ft below solid granite (the government standard depth was 30ft) and took 6 months to complete working on it 24hrs per day. I have never in the 28 years of visiting seen it without water in so this was a nice surprise.


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