An overview of the formation of caves, cave conservation, photography and wildlife together with local educational resources. Diagrams, pictures and slide shows.

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A list of long and deep caves from all around the world. Listed by depth, length and country.

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Photographs and articles dealing with speleology and cave exploration.

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NSS discussion forum for US cavers including sections for cave diving, news, conservation, equipment, photography, rescue and surveying.

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Articles on the terminology, techniques and gear used for caving. Discussion boards, editable information, feedback and links.

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Events around the world.

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Discussion forums including caving, the NSS, the study of speleology, cave conservation and management, bats and gear.

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