21. The site is, apart from professional speleologists , also well known among sport-and hobby practitioners of caving. 22. Coleman was the first speleologist to identify scalloping as an indicator of the direction of water flow in a cave. 23. That's not to say Hobbs hasn't had some close calls during his 20 years as a speleologist . 24. The Velebit region is Croatia's largest mountain range, attracting speleologists , botanists and hikers from around the world. 25. Speleologists from Ruse have discovered a large cave system in the vicinity of the village during expeditions between 1986 and 1991.26. HAZU, an extensive and systematic speleological agency, included Malez among the most prominent speleologists in Croatia . ( ed. 27. Around the village speleologists have discovered multiple pits containing the remains of World War II victims which have yet to be exhumed. 28. Composed of two galleries and a well, the cave was discovered by accident in February 1994 by a group of amateur speleologists . 29. The team, which now numbers sixty divers and speleologists , had to suspend operations Saturday because muddy water conditions made visibility poor. 30. Speleologists consider it among the top five most beautiful caves of the planet, and one of the Seven Natural Wonders of Ukraine.
