This aerial photo taken on July 12, 2018 shows the Yelanghu Bridge under construction in Puding County, southwest China's Guizhou Province. Construction of the Yelanghu Bridge, a vital project along the Zhijin-Puding expressway, is expected to be completed by the end of July. Once in service, the 52-kilometer Zhijin-Puding expressway will reduce road travel time between Zhijin and Puding counties from 2.5 hours to 35 minutes. (Xinhua/Tao Liang)

This aerial photo taken on July 12, 2018 shows the Yelanghu Bridge under construction in Puding County, southwest China's Guizhou Province. Construction of the Yelanghu Bridge, a vital project along the Zhijin-Puding expressway, is expected to be completed by the end of July. Once in service, the 52-kilometer Zhijin-Puding expressway will reduce road travel time between Zhijin and Puding counties from 2.5 hours to 35 minutes. (Xinhua/Tao Liang)

This aerial photo taken on July 12, 2018 shows the Yelanghu Bridge (above) under construction in Puding County, southwest China's Guizhou Province. Construction of the Yelanghu Bridge, a vital project along the Zhijin-Puding expressway, is expected to be completed by the end of July. Once in service, the 52-kilometer Zhijin-Puding expressway will reduce road travel time between Zhijin and Puding counties from 2.5 hours to 35 minutes. (Xinhua/Tao Liang)