Ключевые слова: america, american, arizona, az, background, beautiful, butte, cavern, city, cliff, colorful, desert, dry, erosion, formation, geological, geology, hike, hiking, hill, landscape, maricopa, mountain, natural, nature, oasis, orange, outdoors, papago, park, phoenix, recreation, red, rock, saguaro, sandstone, scenic, scottsdale, sky, sonoran, southwest, stone, sunrise, sunset, tempe, tourism, travel, united states, usa, view,