Ключевые слова: ancient, attraction, beautiful, beauty, calcite, cave, cavern, caving, column, damp, dark, darkness, decoration, deep, discovery, earth, ecology, extreme, formations, geologic, geology, ground, historical, light, limestone, mineral, monument, mountain, mystery, natural, nature, old, passage, rock, scenic, speleology, stalactite, stalagmite, stone, subterranean, tourism, travel, underground, wall, wet,