Ключевые слова: abstract, aerial, america, american, arizona, beautiful, canyon, cliff, colorado, colorful, conservation, dramatic, drone, erosion, famous, geography, geology, grand, landmark, landscape, mountain, national, natural, nature, no people, north, orange, outdoors, overlook, panorama, park, peak, red, rim, rock, scenery, scenic, shadow, sky, south, stone, tourism, travel, united, usa, valley, view, vista,