Ключевые слова: activity, aerial, america, arizona, canyon, cliff, colorado, dam, desert, destination, ecosystem, famous, formation, grand, grand canyon, international, landmark, landscape, las vegas, mount, mountain, national, national park, natural, nature, nevada, park, parkland, peak, point, rim, rock, scene, scenery, sightseeing, stone, surface, texture, tour, tourism, tourist, travel, united states, us, usa, view, wild,