Learn how the Fehmarn Belt underwater tunnel is being constructed and improving European connectivity with cutting-edge ...

These concrete structures measure 217 meters (712 feet) long, 42 meters wide and nine meters deep ... meters beneath the Baltic Sea. Everything about the project is vast. The purpose-built factory is ...

The Fehmarn Belt Link is set to connect Germany and Denmark through the Baltic Sea by car and train. Developers say the ...

The world’s longest tunnel, the Laerdal Tunnel ... Countries like Norway and China are already experimenting with submerged ...

Countries have debated for decades whether to allow mining on the ocean floor, a potential trove of critical minerals. Now, a ...

An undersea tunnel at a depth of 68 meters beneath the Shantou Bay in eastern Guangdong province was successfully connected ...

These concrete structures measure 217 meters (712 feet) long, 42 meters wide and nine meters deep ... Sea. Everything about the project is vast. The purpose-built factory is the world’s largest ...

while setting several records in deep-sea tunnel construction. In addition to being the world's first single-bore, double-track high-speed railway undersea tunnel, it has also become the world's ...