| 11. | The limestone is fractured and has created a substantial underground cave system.
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| 12. | It is called Kuna Caves despite being only a single cave system.
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| 13. | The 2 level cave system is reached by an open well stair.
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| 14. | There are also legends about the cave system below the mountain.
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| 15. | Clarksville Cave is a horizontal cave system with of passage and three entrances.
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| 16. | Hydrologically, the cave system is connected with the adjacent coastal waters.
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| 17. | It has several prominent cave systems at Gunung Mulu National Park.
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| 18. | The Peacock Springs Cave system was first explored by Vasco Murray in 1956.
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| 19. | It is one of the largest cave systems in the world.
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| 20. | As of July 2008 the cave system stands at in length.
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