Photo taken on Feb. 7, 2021, shows the city wall of Ming Dynasty (1368-1644) with a large-size Spring Festival couplet decoration in Nanjing, capital city of east China's Jiangsu Province. (Photo/China News Service)
Photo taken on Feb. 7, 2021, shows the city wall of Ming Dynasty (1368-1644) with a large-size Spring Festival couplet decoration in Nanjing, capital city of east China's Jiangsu Province. (Photo/China News Service)