Yanjiazhai tunnel of Guiyang-Nanning high-speed railway drilled through
Updated: June 15, 2021 09:32Xinhua
Staff members celebrate the drill-through of the Yanjiazhai tunnel of the Guiyang-Nanning high-speed railway in Dushan county, Southwest China's Guizhou province, June 14, 2021. The 1.67-km-long tunnel was drilled through on June 14, enabling further construction work for the Guiyang-Nanning high-speed railway, which will run with a design speed of 350km per hour. [Photo/Xinhua]
Staff members work inside the Yanjiazhai tunnel of the Guiyang-Nanning high-speed railway in Dushan county, Southwest China's Guizhou province, June 14, 2021. [Photo/Xinhua]
Aerial photo taken on June 14, 2021 shows an external view of the Yanjiazhai tunnel of the Guiyang-Nanning high-speed railway in Dushan county, Southwest China's Guizhou province. [Photo/Xinhua]
Aerial photo taken on June 14, 2021 shows an external view of the Yanjiazhai tunnel of the Guiyang-Nanning high-speed railway in Dushan county, Southwest China's Guizhou province. [Photo/Xinhua]
Staff members work inside the Yanjiazhai tunnel of the Guiyang-Nanning high-speed railway in Dushan county, Southwest China's Guizhou province, June 14, 2021. [Photo/Xinhua]
Tunnel drilling machines work inside the Yanjiazhai tunnel of the Guiyang-Nanning high-speed railway in Dushan county, Southwest China's Guizhou province, June 14, 2021. [Photo/Xinhua]
