On August 11, the Duoji Tunnel, a key controlling project of the China -Laos-) Kunming-Vientiane Railway, was completed. This is the 75th of the 93 tunnels in the domestic section and the sixth 10,000-meter long tunnel of the entire line. So far, more than 95% of the tunnel project in the domestic section of the China-Laos Railway has been completed, laying the foundation for the completion and opening of the entire line in 2021.
