Ключевые слова: abstract, america, backgrounds, beauty, black, blue, central, climate, cold, color, concrete, dam, design, drop, energy, engineering, falling, flood, flower, flowing, gray, green, hydroelectric, in, islands, lake, landscape, level, light, motion, nature, outdoors, power, rainforest, rapid, ravine, reflection, river, scenics, smooth, spray, station, stream, summer, temperature, water, waterfall, wave, weather, wet,