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