Ключевые слова: accessible, adventure, age, alight, australia, caves, columns, descent, discovery, eight hundred, exploration, explore, external, forest, high, input, karri, karry, lake, lake cave, lake in the cave, light, lit, margaret, margaret river, millions, mirror, perth, quarries, river, speleologists, speleology, stalactites, stalagmites, trees, underground, visit, water, water mirror, western australia,