British explorers map out 'never-ending' cave network underneath Borneo jungle5 u0 E, M8 ^* T; }
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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
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" t5 q; w4 T0 v, k2 _! ^Leaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |