Ключевые слова: activity, aerial, america, arizona, canyon, cliff, colorado, desert, destination, famous, flying, formation, geology, grand, grand canyon, helicopter, hills, landmark, landscape, las vegas, mountain, mountains, national, natural, nature, nevada, outdoors, panorama, park, pier, rim, river, rock, scenic, sightseeing, slopes, stone, tour, tourism, travel, united, united states, us, usa, valley, valleys, vegas, view, wonder, world,