Ключевые слова: america, american, ancient, arizona, canyon, carved, cliff, colorado, colorful, deep, desert, destination, erosion, formation, geological, grand, grand canyon, landmark, landscape, layers, majestic, marvelous, mountain, national, natural, nature, orange, outdoors, park, red, rim, river, rock, scenic, southwest, symbol, terrain, tourism, touristic, travel, view, viewpoint, western,