British explorers map out 'never-ending' cave network underneath Borneo jungleos.tvboxnow.com0 \3 N' D4 R% K( o# `8 a7 h
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Making 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公仔箱論壇& e1 I' l* B( s( n- k8 p
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" _: ~; x, Y! Z2 |Leaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |