description About
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.
Info
- verified Status: Returning Series
- person By: Unknown
- calendar_month Release Date: 2014-11-06
- video_camera_front Companies Lion Television
- tag Season: Season 1
- timer Episode Runtime: 45 Mins
- star Rating: 0 / 10
- visibilityViews: 2 views
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