Ключевые слова: achievment, america, american, architecture, arizona, blue energy, blue sky, clean energy, colorado river, conceptual, dam, electricity, energwtics, energy, energy station, environment, hoover, hoover dam, hydroelectric, hydroelectric power, lake mead, mountains, nevada, penstock towers, people traveling, pillars, power, power plant, renewable energy, side view, the us, top view, tower, unique, united states, united states of america, us, usa, water, water energy,