Ключевые слова: adventure, ancient, attraction, cave, cavern, cavernous, cavity, descent, dungeon, entrance, entry, geological, geology, inside, karst, landmark, mountains, nature, neolithic, old, outdoors, paleolithic, pass, pathway, ridge, rock, rout, russia, sochi, speleology, stone, tourism, travel, tunnel, underground, vorontsov, vorontsovskaya, way,