Photo taken on May 22, 2018 shows the construction site of Xiangxi Yangtze River Bridge in Zigui County, central China's Hubei Province. The closure of main arch of the 883.2-meter-long bridge was finished on Tuesday. (Xinhua/Lei Yong)

Photo taken on May 22, 2018 shows the construction site of Xiangxi Yangtze River Bridge in Zigui County, central China's Hubei Province. The closure of main arch of the 883.2-meter-long bridge was finished on Tuesday. (Xinhua/Lei Yong)

Photo taken on May 22, 2018 shows the construction site of Xiangxi Yangtze River Bridge in Zigui County, central China's Hubei Province. The closure of main arch of the 883.2-meter-long bridge was finished on Tuesday. (Xinhua/Lei Yong)