British explorers map out 'never-ending' cave network underneath Borneo jungle( w7 h9 H5 `: w
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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, Borneotvb now,tvbnow,bttvb0 P4 \) i( X% z! a
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9 G+ s' E+ k8 b5 M, i: FLeaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |