Ключевые слова: ancient, beautiful, beauty, beneath, calcite, cave, cavern, conservation, dark, darkness, deep, drops, earth, ecological, ecology, ecosystem, ecotourism, enviroment, formations, geologic, geology, ground, hidden, inside, israel, light, limestone, minerals, mining, mysterious, mystery, natural, nature, pattern, quite, resources, rock, stalactite, stalagmite, stalagtite, stones, tour, tourism, tourist, under, underground, unusual, wall, water, wet,