The immersed tube method, a version of the cut and cover technique, is a cheap and easy way to construct a tunnel under water -- and it's generally the fastest way. Here's how it works ...

It's located in the final joint of an immersed tube tunnel. 6. The bridge is tested for having the world's highest wind resistance by comparison to other suspension bridges. A windy day won't blow ...

“Almost all of the tunnels in the region have been built by the immersed tube tunnel method,” Crist said, “so they built 300-foot long tunnel segments in a dry dock, they floated them out ...