British explorers map out 'never-ending' cave network underneath Borneo jungle5 e W8 i* y5 ^5 C
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' Q2 S% B$ J& T" s" X0 BMaking 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( o( e7 U8 w" G: M
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1 b) l, c) H2 |Leaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |