Ключевые слова: agger, agger dam, aggertalsperre, architecture, arial view, artificial, autumn, blue, bridge, catchment, construction, dam, dam wall, drone, electricity, energy, europe, flood, forest, germany, gummersbach, high, hydroelectric, hydroelectricity, hydropower, industrial, lake, landscape, lantenbach, plane, plant, protection, recreation, reservoir, river, shore, sky, station, summer, sunny, valley, wall, water, waterfall,