On May 8, with the last explosion, the Renjiashan Tunnel of the new Chongqing-Wanzhou high-speed railway was successfully completed, marking that the construction of the entire tunnel line has entered the aggressive phase.

Zhitongcaijing · 05/08 03:57
On May 8, with the last explosion, the Renjiashan Tunnel of the new Chongqing-Wanzhou high-speed railway was successfully completed, marking that the construction of the entire tunnel line has entered the aggressive phase.