Ключевые слова: autumn, beautiful, blue, china, chinese, clear, colorful, ecology, environment, foliage, forest, green, heritage, holiday, jiuzhai, jiuzhaigou, lake, landscape, mountain, national, nature, outdoor, overcast, paradise, park, peaceful, river, scenery, scenic, sichuan, sky, summer, tourism, tourist, tranquil, travel, tree, turquoise, vacation, valley, water, world,