Ключевые слова: ancient, arch, architecture, background, beautiful, blocks, blue, bridge, building, calm, city, concrete, construction, dam, electricity, engineering, environment, europe, famous, green, historic, history, industry, lake, landmark, landscape, large, mix, nature, old, outdoor, pink, power, reflection, reservoir, river, rock, scenery, sky, station, stone, structure, summer, tourism, town, travel, urban, view, wall, water,