Ключевые слова: amazing, cave, caverns, caving, column, corridor, earth, europe, flowstone, formations, geologic, geological, geology, grotto, heritage, landmark, limestone, mechowo, natural, nature, nobody, park, passage, poland, polish, rock, sandstone, sandy, scary, speleo, speleology, stalactite, stalagmite, structure, sublime, tunnel, underground, unique, wall, world,