Ключевые слова: aerial photography, background, birds eye view, building, business district, central business district, china, city, city skyline, cityscape, downtown, financial district, group of buildings, haian, high angle view, jiangsu province, landmark, metropolis, modern, office building, office environment, overlooking, road, skyline, skyscraper, square, street, top view, tourism, travel, urban area, urban landscape,