Underground BritainTV Show
(2014) • Season 1, Episode 3
HD
★ 0.0
IMDb: 0.0
Seasons: 1
en
In this episode, Rob explores two natural wonders in the Yorkshire Dales - a mile of caves and one of Britain's deepest potholes. In Stockport, Rob learns how its unique geology made it the perfect spot to build the country's largest air-raid shelter and he discovers the incredible depths that are being plumbed to retrieve agricultural fertiliser.
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