Robbie Shone:
Cloud Chamber in Dan yr Ogof
Robbie Shone:
Lush green vegetation engulfs the entrance to Doppelbrückenschacht, Tirol.
Robbie Shone:
Exiting Cow Pot in North Yorkshire
Robbie Shone:
Upstream in Valley Entrance Mastercave
Robbie Shone:
_MG_4530 copy
Robbie Shone:
Titan (cave) in Peak Cavern, Derbyshire, England taken from an isolated remote location high up 145m off the floor in the roof dome.