Ключевые слова: aerial photography, background, birds eye view, building, china, city, city skyline, commercial district, downtown, financial district, glass, haihe river, high angle view, landscape, metropolis, modern, night view, office building, office environment, outdoor, panorama, perspective, real estate background map, road, skyline, skyscraper, square, street, tianjin, tianjin eye, tourism, urban landscape,