| 11. | This cave is has extraordinary dimensions and interesting interior, which should be investigated in particular by speleologists.
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| 12. | In the future, the analysis of underground water courses could be an interesting field of research for speleologists.
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| 13. | In 2001 a group of Belgian speleologists of the Socotra Karst Project investigated a cave on the island Socotra.
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| 14. | In 1889, more serious exploration of the cave was undertaken by the renowned speleologist �douard-Alfred Martel.
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| 15. | A A team of speleologists topographed the interior of the well ( also known as Cueva del Moro ).
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| 16. | Coulange, 47, a bank manager and amateur speleologist, is well aware of the find's significance.
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| 17. | The Briton's plight was complicated by the fact they were mapping the caves, as speleologists normally do.
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| 18. | The group also was mapping the caves _ as speleologists normally do _ suggesting they were involved in scientific research.
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| 19. | He was a serious speleologist and often made ten-hour trips wearing cloth cap, old suit and tie.
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| 20. | It has many beautiful stalagmites and stalactites and the speleologists who explored it talk about a miracle of Greek nature.
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