Ключевые слова: abstract, air, alley, background, block, building, business, business district, china, city, company, concrete panorama, downtown, finance, financial district, future, glass, ground, guangdong, guangzhou, horizon, landscape, light, metropolis, modern, office building, office environment, outdoor, panorama, pearl river, perspective, road, skyline, skyscraper, square, street, track, travel, urban landscape, urban skyline, vacancy, window,