Ключевые слова: beautiful, beauty, blue, breathtaking, cave, cavern, crystal formations, dark, dimly lit, enchanting, enchantment, fantasy, geology, glowing, glowing crystals, green, hidden, illuminated, imaginary, iridescent, lake, magical, minerals, mysterious, mystical, natural wonder, otherworldly, peaceful, quiet, radiance, reflecting, reflective, secret, serene, shimmering, sparkling, stunning, subterranean, subterranean lake, subterranean world, tranquil, turquoise, underground, underground cavern, underground water, water, wonder,