Aerial photo taken on June 29, 2020 shows a bridge linking Nantong and Zhangjiagang over the Yangtze River in east China''s Jiangsu Province. The road-rail cable-stayed bridge with the world''s longest span opened to traffic in east China''s Jiangsu Province Wednesday. The 11,072-meter bridge over the Yangtze, China''s longest river, links Nantong and Zhangjiagang, two cities in Jiangsu. It has a six-lane expressway on the upper deck and four railway tracks on the lower level. (Xinhua/Ji Chunpeng)