Ключевые слова: architecture, bridge, building, catalan, catalonia, construction, control, dam, electric, electricity, energy, engineering, environment, environmental, europe, european, falling, flood, flow, flowing, horizontal, hydro, hydroelectric, hydroelectric power station, hydroelectric station, hydropower plants, landscape, lleida, nature, oliana, outdoor, outdoors, pouring, power, pyrenees, reservoir, resource, river, segre, spain, station, structure, water, water power plant, waterfall,