China's domestically developed, world's largest-diameter high-speed-rail shield tunneling machine "Linghang" surpassed the 10 ...

Add Yahoo as a preferred source to see more of our stories on Google. Workers in China have set a new record by completing the task of building the world's largest-diameter underwater shield tunnel.

Guinness named it the largest tunnel boring machine. See how the 120-meter "Qin Liangyu" reshaped underwater engineering.

China just showed off its second dragon-themed tunneller, which it said will drill an undersea railway. It's touted by China as the world's longest undersea high-speed railway tunnel. But that's ...

The Orange Gate underground tunnel project is being developed as a major east-west connectivity corridor aimed at easing ...