Adventurers have gone deep underground to discover previously unexplored caves in these incredible pictures. The awe-inspiring snaps show the cavers dwarfed by the huge series natural rock chambers in the Leye - Fengshan Geopark, China.
Belgian photographer Francois-Xavier De Ruydts, 33, captured the team of explorers as they trekked through the deep wonderground in January 2014. (Caters News)
Photography by Francois-Xavier De Ruydts
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