Gallery

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

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)

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

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

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

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

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

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

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

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

Down stream main Streamway Krem sakwa, Megalaya, India (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)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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)

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

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

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

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

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

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)

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

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

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

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

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

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

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

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

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

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

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)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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