Ключевые слова: abstract, america, arizona, background, beautiful, buttes, canyon, city, cliffs, coastline, color, coyote, curve, desert, dune, erosion, formation, geology, hiking, landscape, national, natural, nature, navajo, orange, outdoor, paria, pattern, phoenix, red, ridges, rock, rocks, sand, sandstone, scenic, sky, southwest, stone, sunset, texture, trail, travel, usa, utah, vermillion, view, wave, weather, wilderness,