Ключевые слова: america, american, arch, arches, archesnationalpark, blue, canyon, colorful, colors, desert, erosion, formation, formations, geological, geology, landmark, landscape, landscapearch, moab, mountain, national, natural, nature, orange, outdoors, park, red, rock, sand, sandstone, scenic, sky, southwest, states, stone, tourism, travel, united, usa, utah, west, western, window,