Ключевые слова: america, american, arizona, beautiful, canyon, cliff, clouds, colorado, colorado river, colorful, countryside, desert, erosion, famous, forest, geological, grand, grand canyon, land, landmark, landscape, light, location, mathers, mountain, mountains, national, national park, natural, nature, outdoors, park, place, point, rim, river, scenery, scenic, south, south rim, southwest, tourism, travel, united states, usa, valley, view, viewpoint, west, wilderness,