Ключевые слова: adventure, aerial, america, ancient, architecture, arid, arizona, beautiful, bridge, canyon, cliff, colorado river, concrete, dam, desert, dry, exterior, geology, glen canyon, glen canyon dam, ground, lake powell, land, landmark, landscape, lees ferry, natural, nature, old, outdoor, outdoors, page, park, rafting, red, reservoir, river, rock, sand, sandstone, scenic, sky, stone, summer, tourism, travel, usa, view, water,