Ключевые слова: america, american, arizona, beautiful, blue, butte, cliff, desert, dusk, evening, evolution, geological, gigantic, historic, horizon, huge, indian, land, landscape, mesa, mitten, monument, mountain, nation, national, nature, navajo, orange, outdoor, park, peak, prehistoric, road, rock, sand, sandstone, sky, southwest, states, sunset, travel, tribal, usa, utah, valley, west, western,