Ключевые слова: cascade, dam, drop, electricity, energy, environment, falling, flood, flow, flowing, flowing water, foam, force, generation, hydro, hydroelectric, industry, lake, liquid, mist, motion, moving down, open, outdoor, pouring, power, powerful, pressure, rain, reflection, released, reservoir, river, roaring, rush, sluice, spillway, splash, splattered, spray, stream, strong, water, waterfall, wet,