Kitting up [+] Mine entrance [+] Safety first [+] Ledges [+] Artifacts [+] Climbing [+] Vast chambers [+] Confidence building [+] Kids having fun [+] New skills [+] Exploring [+] Bits & bobs [+] Mark, your guide for the tour [+] Explorers inspecting a winch [+] Underground [+] Explorers [+] Pausing to inspect machinery [+] 1874 Grafitti [+] Group of mine explorers [+] Underground [+] Daylight chamber [+] Section of railway track [+] Smiles all round [+] The nearby village of Corris [+] The nearby village of Corris [+]