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Gunung Mulu National Park
The Velebit Mountain is the home of a number of caves named Lukina jama, Slovacka jama, Velebita and Meduza. These caves have some of the world’s greatest subterranean spectacular vertical drops, sure to bring a shudder in the spine. At the foot of Lukina jama there are ponds and streams having the largest colonies of subterranean leeches.