a smooth curve of the channel of the colorado rive, air force, america, arizona, beach, blue, branches, bridges, california, cities, cloud, clouds, country, f35, february, fighter, flag, fog, forest, freedom, glen canyon, gulf, horseshoe, horseshoe bend, inscription, lake, landscape, light, lighthouse, lilac, maryland, montana, mountain, national park, night, ocean, oregon, rays, reflection, river, san francisco, sand, sea, sky, sky fog, square wave, states, stones, storm, sun, sunset, supersell, tree, u.s.a., united states, usa, washington, water, waves, winter, yosemite, yosemite national park