British explorers map out 'never-ending' cave network underneath Borneo jungle; ^( i# H/ Y' H+ U4 J: ~! X
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& V4 f& ^+ D1 U; y* ?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
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Leaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |