Ключевые слова: aldeadavila, arribes, arribes del duero, barrier, beautiful, canyon, castile, cliff, dam, douro, duero, edge, electric, electrical, engineering, environment, europe, geology, hydro, landmark, landscape, leon, meander, mountain, natural, nature, outdoors, outside, park, plant, portugal, renewable, reservoir, river, riverbed, riverside, rock, rocks, rocky, salamanca, scenic, spain, stone, technology, turbine, valley, view, wall, water, wild,