Ключевые слова: beautiful, beauty, beneath, calcite, cave, cavern, cold, dark, darkness, drops, dungeon, earth, ecological, ecology, ecosystem, ecotourism, enviroment, formations, geologic, geology, grotto, ground, hidden, israelancient, light, limestone, minerals, mining, mysterious, national, natural, nature, park, pattern, quite, resources, rocks, scary, shadows, stalactite, stalagmite, stalagtite, stone, stones, tour, tourist, underground, unusual, wall, water, wet,