Aerial photo taken on July 1, 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)

An inauguration ceremony of a bridge linking Nantong and Zhangjiagang over the Yangtze River is held in east China''s Jiangsu Province, July 1, 2020. 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/Li Bo)

Aerial photo taken on July 1, 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/Li Bo)

Construction workers pose for photos during the inauguration ceremony of a bridge linking Nantong and Zhangjiagang over the Yangtze River in east China''s Jiangsu Province, July 1, 2020. 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/Li Bo)

Aerial photo taken on July 1, 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/Li Bo)

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)