Crystal Cave
by junkycosmos
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Raymond Crystal Cave
by C. G. Anderson
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2016 Iceland - Crystal Ice Cave
by Khurram S. Sheikh
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Sean and Dave go to the Crystal Ice Cave
by Dave Papay
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Mammoth Cave National Park, KY
by Ray DeBosch
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Florida Cave Diving 2008-2011
by Connie Bishop
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Upper East Bore/ Holmes Hall Survey Trip, Webster Cave System, KY (US)
by C. G. Anderson
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Naica, Chih.
by Mario E. Vázquez
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Morro Rock
by Ying
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crystal cave photo shoot
by Jean Ray
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