Ключевые слова: austria, background, barrage, brown, clean, cloudy, concrete, countryside, dam, day, drown, ecology, edge, electricity, energy, environment, fall, flood, flow, flux, foam, forest, fresh, gravitation, hydro, landscape, nature, old, overflow, park, power, power plant, protection, reichenau, reservoir, river, roar, schwarza, speed, stream, summer, unnatural, water, water power, waterfall, weir,