Ключевые слова: cascade, conservation, damn, electricity production, energy, engineering, environment, environmental, flow, flowing, forest background, forests, generation, green energy, hydroelectric, industrial, infrastructure, landscape, lush, majestic, natural, nature, power, powerful, release, renewable, resource, river, scenery, spillway opening, spillways, strength, sustainability, technology, torrents, water, water conservation, water flow, water management, water release,