![Tunnel used to illustrate the story. [PHOTO CREDIT: East Of West LA]](https://i0.wp.com/media.premiumtimesng.com/wp-content/files/2019/04/Man-In-Tunnel.jpg?resize=350%2C250&ssl=1)
World’s highest highway tunnel opens to traffic in Tibet
Over 10 technological breakthroughs have been made in the course of the construction.
Tag: Gong Bin
Over 10 technological breakthroughs have been made in the course of the construction.