1 Musim
6 Episode
Underground Britain - Season 1 Episode 3
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.
- Tahun: 2014
- Negara: United Kingdom
- Aliran: Documentary
- Studio: Channel 5
- Kata kunci:
- Direktur:
- Pemeran: Rob Bell
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