Ключевые слова: aerial photography, aerial view, architecture, background, building complex, buildings, business district, central business district, city, city skyline, cityscape, downtown, drone environment, financial district, high angle view, landmark, landscape, metropolis, modern, nanjing, nanjing scenery, night view, office building, overlooking, plaza, real estate, road, skyline, skyscraper, top view, tourism, urban area, xuanwu lake,