Ключевые слова: architecture, asia, brick, building, business, cement, center, china, city, cityscape, day, district, downtown, empty, finance, floor, footpath, green, ground, landmark, landscaping, modern, nobody, office, outdoors, pavement, road, scene, sightseeing, sky, skyline, skyscraper, tianjin, tile, travel, tree, urban, walkway,