Ключевые слова: ancient architectural buildings, ancient city, antique building, arch bridge, architecture, asia, bridge, changzhou, china, chinese style, city, classical, daytime, east asia, historic site, inverted reflection in water, jiangsu, outdoor, river course, rivers, scenic spot, sights, spring and autumn architecture, stone arch bridge, stone bridge, traditional, travel, traveling, unmanned, yancheng, yancheng china,