Ключевые слова: adventure, ancient, asia, beautiful, bridge, calcite, camera, cave, cavern, caving, chamber, dark, deep, discovery, explore, footbridge, formation, geologic, geology, ground, holiday, inside, landscape, light, limestone, mineral, natural, nature, picutre, rock, rocky, scene, speleology, spring, stalactite, stone, subterranean, tourism, tourist, travel, treasures, tunnel, underground, wall, woman,