extremely high water pressure in the sea area, highly corrosive seawater and extremely complex strata," said Huo Fei, chief designer of the Shantou Bay undersea tunnel project at China Railway ...

which travels through solid earth beneath the ocean floor — the Fehmarn Belt will travel along a trench at the bottom of the sea, with water flowing above. The tunnel itself is locked into place ...

But that appears to be the price Norway is willing to pay to speed up the journeys between Randaberg and Bokn which are separated by a 16-mile body of water ... Sea. The record-breaking tunnel ...

Gov. Newsom’s administration is seeking approvals to build a $20-billion water tunnel in the Sacramento-San Joaquin River Delta. Lawyers for supporters and opponents are debating the project in ...