Ключевые слова: aerial photography, asia, blue, china, cloud, day, early autumn, fall, far mountain, forest, grass, grassland, green, high altitude, inner mongolia, land, line, lush, mountain, nobody, oasis, outdoor, partly cloudy, pasture, protection, road, sky, summer, sun, sunlight, sunny, surroundings, tree, vast, white, wide, wulan butong,