Ключевые слова: background, balance, beautiful, blue, cascade, cascading, clean, clear, closeup, color, concept, conservation, cool, dam, detail, down, drop, energy, environment, fall, falls, flood, flow, flowing, fresh, hydro, lasher, nature, nobody, outdoor, over, pattern, power, refreshing, river, saving, scarcity, scenic, small, speed, splash, stream, streaming, texture, view, water, waterfall, weir, white,