Ключевые слова: architecture, background, beautiful, blue, bridge, bright, calm, clean, clouds, construction, dam, electric, electricity, energy, engineering, environment, forest, germany, green, harz, hydro, hydroelectric, industrial, industry, lake, landscape, mountain, mountains, natural, nature, outdoor, plant, power, reflection, renewable, reservoir, river, scene, season, sky, spring, station, summer, suspension, sustainable, technology, tourism, tree, water, white,