Ключевые слова: ancient, asia, asian, canyon, china, chinese, cliff, column, destination, ecotourism, environment, fantastic, forest, formation, green, heritage, hunan, landform, landmark, landscape, lush, mountain, mountains, national, natural, nature, outdoor, park, peak, peaks, pillar, rock, sandstone, scenery, scenic, sightseeing, stone, tianzi, travel, valley, wilderness, wulingyuan, zhangjiajie,