Ключевые слова: beautiful, big, blue, bridge, cave, cavern, chamber, chambers, china, colorful, colors, colourful, dragon, exploration, geology, heritage, huanglong, hunan, illuminated, illumination, inside, interior, karst, lights, list, lit, magic, national, natural, nature, park, red, rocks, rocky, stalactite, stalactites, stalagmite, stalagmites, stalagtite, stunning, stunningly, tunnel, tunnels, wonder, world, worlds, yellow, zhangjiajie,