Grand bridge of Guiyang-Nanning high-speed railway under construction

Photo taken on April 20, 2021 shows workers carry out construction on the grand bridge of Guiyang-Nanning high-speed railway in Dushan County, southwest China's Guizhou Province.

Workers spray water on prefabricated components for the construction of Guiyang-Nanning high-speed railway in Dushan County, southwest China's Guizhou Province, April 20, 2021. 

Aerial photo taken on April 20, 2021 shows workers carry out construction on the grand bridge of Guiyang-Nanning high-speed railway in Dushan County, southwest China's Guizhou Province. 

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