Ключевые слова: america, american, ancient, arizona, beautiful, brush, canyon, cliff, clouds, colorado, colorful, desert, desolate, destination, dry, erosion, evening, formation, geological, geology, grand, grandcanyon, helicopter, land, landmark, landscape, mountain, national, nationalpark, nature, nevada, north, park, rift, rim, river, rock, rocks, sky, south, stone, sunset, takeoff, tourism, tourist, travel, usa, valley, view, wilderness,