List of 5 World’s Longest road tunnels under construction in 2023
You might have heared about the progress made on the colossal Fehmarnbelt under-sea tunnel, connecting Denmark and Germany. This massive undertaking, valued at €7.1 billion (US$7.5 billion), is currently in full swing. Concrete sections essential for constructing the immersed tube tunnel are now being manufactured at an expansive factory near the Danish entry point in … Read more