Ключевые слова: attraction, below, carlsbad, cave, cavern, caving, cold, crystal, dark, darkness, effect, erosion, explore, formation, frost, geological, growth, hall, hole, ice, inside, israel, landscape, limestone, mine, mineral, mountain, national, natural, nature, rock, speleology, stalactite, stalagmite, stone, subterranean, tourism, travel, underground, underworld, view, water, white, winter,