Gallery

Asfawossan Asrat in the chamber at the end of Goda Mea, Mechara, Ethiopia, Africa (Photographer John Gunn)

Valerie Middleton at the top entrance to Porcupine Cave, Mauritania, Africa (Photographer Tony Middleton)

Preparing diving equipment on a platform above the first underwater tunnel 840m below the surface,San Agustin, Mexico (Photographer Jarvist Moore Frost)

Approaching cave monitoring site, Ragged Staff Cave, Gibraltar (Photographer Tim Atkinson)

Myotis pilosus, Rickett’s big-footed bat. Taken during species analysis in Krem Phlang Karun, Northern India (Photographer: Mark Burkey)

The porter team leaving Hang En in the distance, Vietnam (Photographer: Ryan Deboodt)

Boxhead Pot, Leck Fell, Yorkshire Dales, UK. (Photographer: Robbie Shone)

The Bush, Where the sun don’t shine, Daren Cilau, South Wales, UK. (Photographer: Mark ‘ Gonzo’ Lumley)

Sir Francis Level, Swaldale, England, UK. (Photographer: Mark Shinwell)

The Tube, Peak Cavern, Peak District, England, UK. (Photographer: Rob Eavis)

Streamway in Rako Barzala, Magartu, Ethiopia, Africa (Photographer Bernard Lips)

Aven es Pebres, Gard, France. (Photographer: Mark Shinwell)

Jon Bevan in the newly discovered Pinocchio Pot, Gragareth., Yorkshire Dales, UK. (Photographer: Frank Pearson)

Krem Liat Prah, Meghalaya, India. (Photographer: Hugh Penney)

Charles Waldack – Pioneer cave photographers experimented with any light source they could find, as here in 1866 by burning magnesium that produced clouds of fumes. (Photographer: Charles Waldack)

Pearslian Gulf, Lechuguilla Cave, New Mexico, USA. (Photographer: Gavin Newman)

Hauling Dive Gear To Sump 2 Along Main Stream Passage. Izor Licanke, Croatia. (Photographer: Mark Burkey)

John Whiteley floating in the entrance to Garfish Cave, Berry Head, Torbay, Devon, UK(Photographer: Pete Glanville)

Chris Blakeley, Mark Wright and Gina Moseley look at a note left in a cave in Greenland in 1960 by the original explorers (Photographer: Robbie Shone)

Madphil gazing at the impressive formations in Topdog, San Wan Dong, Houping, Wulong, Chongqing,China (Photographer: Josh Bratchley)

Dave Appleing in the main passage of Omongongo Pot, Kaokoland, Namibia, Africa(Photographer Mark Tringham)

Corinne Arnold collecting a sample of biofilm for microbiological analysis from Cromford Sough, Derbyshire, UK (Photographer: John Gunn)

Tim Allen, Joe Giblin, Geoff Yeadon and Geoff Crossley about to descend a pitch in Perilous Pot on Leck Fell, Yorkshire Dales, UK. (Photographer: Frank Pearson)

‘The Balcony’ looking out in to Alum Pot, Yorkshire Dales, UK. (Photographer: Mark Burkey)

Waterfall Shadow, OFD, South Wales, UK. (Photographer: Rob Eavis)

Hayley Clark sitting next to a lava plunge pool in Kazamura Cave, Hawaii (Photographer: Ed Waters)

The base of the 500m shaft in Miao Keng, Tian Xing, Wulong, Chongqing, China. (Photographer: Robbie Shone)

Dr Gina Moseley weighs samples of calcite for dating in the clean lab at the University of Bristol (Photographer: Robbie Shone)

Soureces de la Douch, Haut-Languedoc, France. (Photographer: Chris Howes)

Dr Gina Moseley collects samples of sediment from cricket muds in Racer Cave in Gunung Mulu National Park, Malaysia (Photographer: Robbie Shone)

Thach Sinh Linh Dong, Quang Binh province, Vietnam (Photographer: Alan Jackson)

Christoph Spötl and Gina Moseley collect sample of sediment from a cave in Greenland (Photographer: Robbie Shone)

Perfect tube cutting through beds of limestone Hang Son Doong, Vietnam (Photographer: Ryan Deboodt)

Temperature measurements are taken in the back of a cave in Greenland (Photographer: Robbie Shone)

Formations towards the end of Hang Son Doong. (Photographer: John Spies)

Grotte de Pousselieres, Huat-Languedoc, France. (Photographer: Chris Howes)

Diane Arthurs and Simon Cornhill squeezing through tight holes in Cueva Risco., Matienzo Spain. (Photographer: Paul Dold)

Bakerloo Straight, Dan Yr Ogof, South Wales, UK. (Photographer: Robbie Shone)

Boreham Cave, Yorkshire Dales, UK. (Photographer: Clive Westlake)

The top of giant stalagmite in Doline 1 with Doline 2 1km away in background Hang Son Doong, Vietnam (Photographer: Ryan Deboodt)

Diane Athurs in a remote grotto in Torca la Vaca, Matienzo Spain. (Photographer: Tom Howard)

Grotte de Gournier Streamway, Vercors, France. (Photographer: Stuart Gardiner)

Dr. Gina Moseley works on the mass spectrometer dating samples of stalagmites at the University of Minnesota (Photographer: Robbie Shone)

Moel Fferna Bridge, North Wales, UK. (Photographer: Brendan Marris)

Hayley Clark admiring Manjangul Lava Tube, Jeju Island, Republic of Korea (Photographer: Ed Waters)

Passage Near Hall of Thirty , Otter Hole, Forest of Dean, Wales, UK (Photogapher: Mark Burkey)

Climbing up to first doline with camp in background 500m away Hang Son Doong, Vietnam. (Photographer: Ryan Deboodt)

Devils Eye Spring, Ginnie Springs, Florida, USA. (Photographer: Gavin Newman)

Greg Brock decending Ammonite Shaft,Sima Pumacocha, Peru (Photographer: Martin Holroyd)

Cave Pearls in Pearslian Gulf, Lechuguilla Cave, New Mexico, USA. (Photographer: Gavin Newman)

Cat Hulse and Luke Cafferty look at the worlds longest straw Wonder Cave, Mulu,Borneo,Malaysia (Photographer: Jeff Wade)

Ashley Hiscock & Rick van dijk in the first sump pool during the 2017 expedition to push the far reaches of Izor Licanke, Croatia. (Photographer: Mark Burkey)

Nick Sharp searching for Porrhomma rosenhaueri in Ogof y Ci, Wales,UK (Photographer: Julian Carter)

Deer Cave, Mulu, Borneo, Malaysia. (Photographer: Robbie Shone)

Sunbeams in Doline 1 Hang Son Doong, Vietnam. (Photographer: Ryan Deboodt)

John Middleton in the main streamway of Lancaster Hole, part of the Three Counties Cave System in the Yorkshire Dales karst (Photographer: Tony Waltham)

Pristine formations in “Where Are All the Spiders?” chamber in Cueva Risco, Matienzo Spain. (Photographer: Paul Dold)

Surveying for surface-to-cave water tracing, Gibraltar (Photographer: Tim Atkinson)

Straw Grotto, Upper Travertine passage, Ogof Craig a Ffynnon. South Wales (Photographer: Mark Burkey)

Modern cave photographers have a comparatively easy time of things, with purpose-made equipment and adapted light sources. Krem Sakwa in Meghalaya, India (Photographer: Chris Howes)

Sunbeams in Hang En, Vietnam (Photographer: Ryan Deboodt)

Chris Blakeley admires hoar frost in the Crystal Palace, Greenland (Photographer: Robbie Shone)

Whiterock, Mulu, Borneo, Malaysia. (Photographer: Robbie Shone)

Gaping Gill Main Chamber, Yorkshire Dales, UK. (Photographer: Dave Ryall)

Down stream main Streamway Krem sakwa, Megalaya, India (Photographer: Mark Burkey)

Difeng (entrance shaft 220m), Sichuan Province, China. (Photographer: Gavin Newman)

Alum Pot, Yorkshire Dales. UK. (Photographer: Mark Burkey)

Chris Blakeley and Gina Moseley collect samples of bone and feather from a cave in Greenland (Photographer: Robbie Shone)

Titan, Peak District, UK. (Photographer: Robbie Shone)

Grand Cenote, System Tulum, Mexico. (Photographer: Gavin Newman)