Ключевые слова: america, american, architecture, arizona, az, canyon, cliff, colorado, dawn, deck, desert, dusk, edge, erosion, evening, famous, grand, historic, historical, landmark, landscape, light, location, lookout, morning, mountains, nature, night, observation, observatory, old, outdoors, overlook, place, plants, rim, river, scene, scenery, scenic, south, southwest, sunset, tower, trees, united states, view, viewpoint, watch, watchtower, west, wild,