British explorers map out 'never-ending' cave network underneath Borneo jungle公仔箱論壇# h m& L; H& O+ g8 S% i
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, v! V, t3 V+ a/ P9 c7 z5.39.217.77Making a splash: Expedition leader Tim Allen inspects the 'Shower Head' - a calcium-formed funnel which transports rain water from the surface into caves underneath Gunung Mulu National Park, in Sarawak, Borneo
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$ }4 p4 |" u% |5 I! u8 ]& ]9 qLeaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |