British explorers map out 'never-ending' cave network underneath Borneo jungletvb now,tvbnow,bttvb2 V# J+ N- f R. S
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2 y1 T- i& \1 q0 W' A! k& I% U0 W: y( Gwww2.tvboxnow.comMaking 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, Borneowww2.tvboxnow.com) p8 K& k4 E s i8 t7 b
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Leaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |