a smooth curve of the channel of the colorado rive, america, arizona, art, autumn, beach, birch, california, canyon, dollars, federal, flag, forest, glen canyon, gold, golden autumn, golden field, grove, horseshoe, horseshoe bend, jackson, kay witherspoon, landscape, light, lighthouse, lights, malaysia, moscow, moscow state university, motherwell, night, note, ocean, painting, pillars of gold, rays, reserve, road, sand, scotland, sea, ships, singapore, sky, spikes, square wave, states, stones, sun, the field, tree, united, united states, war, waves, wheat, wind