Ключевые слова: activity, adventure, attraction, australia, australian, blue, blue mountains, cave, cavern, caving, central tablelands, destination, exploration, formation, geologic, geology, holiday, inside, interior, jenolan caves, jenolan karst conservation reserve, jenolan river, landmark, landscape, limestone, mountains australia, mysterious, natural, nature, new south wales, nobody, nsw, oberon, pool, recreation, river, rock, scenic, sightseeing, stalactite, stone, tourism, tourist, travel, tunnel, turquoise, under, underground, vacation, view, wall, water,