Off the coast of Ningbo, in the East China Sea, the Yongzhou Railway’s Jintang undersea tunnel is being excavated to a ...
China is building a massive undersea tunnel designed to carry bullet trains at full high-speed beneath one of the world’s busiest shipping channels. This video explores how engineers are pulling it ...
Beneath one of the most unpredictable rivers on Earth, China completed the world’s widest underwater tunnel at unprecedented speed. This video explores the engineering, machines, and high risk ...