Inside the little-known caves and deep freshwater lake hidden beneath a UK city

Underneath Bristol lies a 190-million-year-old Jurassic cave system more than 200ft down which has claimed the lives of two climbers in the past - and some do not know it is there

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Bristol ,City Of ,United Kingdom ,Easton In Gordano ,North Somerset ,Britain ,Tom Newman ,Bristol City Council , ,Pen Park Hole ,Captain Sturmy ,Rev Tom Newman ,Park Hole ,Special Scientific Interest ,Natural England ,Archaeology ,