1 الموسم
6 حلقة
Underground Britain - Season 1 Episode 3 الحلقة 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.
- عام: 2014
- بلد: United Kingdom
- النوع: Documentary
- ستوديو: Channel 5
- الكلمة الرئيسية:
- مخرج:
- المصبوب: Rob Bell