Ключевые слова: america, arizona, boulder, bridge, canyon, colorado, concrete, construction, dam, desert, electric, electricity, energy, engineering, generator, high, hydro, hydroelectric, industry, infrastructure, lake, landmark, landscape, mead, mountain, national, nature, nevada, outdoors, plant, power, reservoir, river, rocks, scene, scenic, station, structure, technology, tourism, travel, usa, view, water,