Aragonite gypsum crystals in Ogof Darren Cilau cave South wales UK

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Photo credit: © Gavin Newman / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adventure, aragonite, cave, caver, cavers, caves, dark, darkness, explore, explorer, flash, gypsum, lighting, pothole, potholing, speleo, speleologist, speleothem, speleotherm, stalactite, stalagmite, subterranean, tunnel, underground