Ключевые слова: america, arid, arizona, beautiful, blue, canyon, cliff, cliffs, desert, dry, erosion, famous, formation, geology, grand, hiking, landmark, landscape, landscapes, mountain, national, natural, nature, orange, outdoor, outdoors, park, red, river, rock, sand, sandstone, scenery, scenic, sky, southwest, stone, summer, sunset, tourism, travel, tree, usa, utah, vacation, valley, view, water, west, wilderness,