Ключевые слова: architecture, arizona, bridge, canyon, colorado, concrete, construction, dam, desert, electric, electricity, energy, engineering, famous, generator, high, history, hoover, horizontal, hydroelectric, industrial, industry, lake, landmark, landscape, lines, mead, mountain, mountains, nature, nevada, outdoors, people, plant, power, red, reservoir, river, road, rock, rocks, structure, summer, technology, tourism, travel, usa, view, water,