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A caver (Rusty Riley) hangs over a 30 m pit cave in Alabama, USA. (Image : Chuck Perkins) |
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Caver Eric Schneider starts his descent into a pit in Alabama, USA. (Image : Chuck Perkins) |
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Caver Adam Manship ropes into a 75 m deep pit in Alabama, USA. (Image : Chuck Perkins) |
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Caver Chris Schotter takes a shower in an underground waterfall in a cave in Alabama, USA. (Image : Chuck Perkins) |
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Caver Chris Schotter hauls ropes and gear up and out of a cave in Alabama, USA. (Image : Chuck Perkins) |
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Caver Kent Wilson stands at the entrance of Middle Cave, Washington County, Indiana, USA. (Image : Chuck Perkins) |
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Caver Eric Schnwider about to swim into River Cave, Cave River Valley, Indiana, USA. (Image : Chuck Perkins) |
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Cavers rest in a large cavern in the Fisher Ridge Cave System in Kentucky, USA. This is one of the worlds longest cave systems and its currently
measured as being over 165 km long. (Image : Chuck Perkins) |
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A group of cavers start to descend through a small opening into a cave in Tennessee, USA. (Image : Chuck Perkins) |
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Some cave entrances are very small and require lots of twisting the turning of the body to get through. This one in Tennessee, USA. (Image : Chuck Perkins) |
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Caver Amy Bern emerging after checking a lead in Carlsbad Caverns, New Mexico. (Image : Carleton Bern) |
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