The world's largest-diameter underwater shield tunnel has been completed in China.According to Interesting Engineering, the ...

The completed section of tunnel has a diameter of 55.8 feet (17 meters), and it has 500 pipe rings of underwater shielding.

The Faroe Islands have built 17 tunnels on land and four subsea - including the world’s only underwater roundabout - to deal ...

Sistema Sac Actun is the world's largest underwater cave at 215 miles, a breathtaking labyrinth of nature and history beneath ...

The Great Istanbul Tunnel, a 6.5km multi-purpose underwater tunnel crossing the Bosphorus River and linking Europe and Asia, ...

The Rogfast tunnel is set to open in 2033, and will connect the municipalities of Randaberg and Bokn in Rogaland county. It ...

Jinan, a city of 9.4 million people and the capital of Shandong Province in East China, has made world headlines. Crews ...

The proposed underwater tunnel would connect Punta Paloma in southern Spain to Malabata in northern Morocco, spanning 17 ...

Count Elon Musk among those who would like to see a 3,400-mile-long tunnel built between New York and London that would be ...

Norway has revealed plans to build the world’s longest and deepest underwater tunnel to cut 11 hours from the journey on its ...

It will be 6.5km-longTunnels are all the rage at the moment. There’s been chat about a trans-Atlantic one between ...