Hoover Dam, architectural wonder, Art Deco style, grand scale, concrete arch-gravity dam, Colorado River, Arizona-Nevada border, majestic water flow, turbulent whitewater, rugged rocky cliffs, blue sky with few clouds, warm sunlight casting long shadows, intricate stonework, ornate details, industrial textures, mighty spillways, hydroelectric power plant, American landmark, National Historic Landmark, 1930s construction, vintage machinery, dramatic lighting, high-angle shot, cinematic composition.