arizona, badlands national park, california, china, clouds, colorado plateau, colorado river, dawn, desert, fog, forest, grand canyon, grass, haze, hdr, hills, landscape, magenta, moon, morning, mountain, national park, national park grand canyon, nature, night, river, sierra nevada, sky, snow, south dakota, state california, summer, sun, sunset, taiwan, taroko national park, tree, twilight, united states, us national park yosemite, usa, watchtower, waterfall, winter, yosemite, yosemite national park, yuyun, zion national park