British explorers map out 'never-ending' cave network underneath Borneo jungle- T6 n4 O+ x2 \% o" n% u, R2 \
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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, Borneo5.39.217.771 ?" I9 U" r% c6 y6 T
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Leaving a mark: Andy Eavis compares his hand size to ancient prints left in Black Hands Cave |