PHOTO / CHINA
Deqing tunnel of Guiyang-Nanning high-speed railway drilled through
By Xinhua Published: Aug 03, 2021 11:41 PM
Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)

Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)


 
Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)

Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)


 
Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)

Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)


 
A technician uses a 3D scanner to collect data inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 3, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)

A technician uses a 3D scanner to collect data inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 3, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)


 
Aerial photo taken on Aug. 2, 2021 shows an external view of the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Liu Lingyi)

Aerial photo taken on Aug. 2, 2021 shows an external view of the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Liu Lingyi)


 
Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Liu Lingyi)

Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Liu Lingyi)