Ключевые слова: america, arch, arches, beautiful, beauty, blue, canyon, clouds, color, delicate, desert, dry, dusk, erosion, famous, formation, formations, geology, hill, landmark, landscape, moab, mountain, national, natural, nature, orange, outdoors, park, place, red, rock, sand, sandstone, scenery, scenic, sky, southwest, states, stone, sunset, tourism, travel, united, usa, utah, vacation, west, wilderness, window,