Ключевые слова: abstract, anhui province, architecture, background, big city, block, building, building exterior, business, business district, china, city, city skyline, cityscape, commercial, company, complex, concrete panorama, downtown, financial district, glass, hefei, highrise building, lake, lakeside, landscape, light, metropolis, office, office building, office environment, outdoor, panorama, real estate, residential area, residential building, skyline, skyscraper, square, street, sunshine, swan lake, track, unmanned, urban area, windows,