Ключевые слова: america, american, arizona, canyon, cliff, colorado, countryside, desert, dusk, erosion, evening, famous, forest, geological, grand, land, landmark, landscape, location, mathers, mohave, monument, mountain, mountains, national, natural, nature, night, outdoors, outside, park, place, point, ravine, rim, river, rural, scene, scenery, scenic, southwest, sunset, tourism, travel, usa, valley, view, viewpoint, west, woods,