That's the way it's been. This is the longest and deepest underwater tunnel in the world
Zdjęcie: Takiej drogi jeszcze nie było. Oto najdłuższy i najgłębszy podwodny tunel na świecie [WIZUALIZACJA] / shutterstock
Norway builds the longest and deepest underwater road tunnel in the world, which will be nearly 27 km long, and at the deepest point it will be 390 m below the sea surface. The investment will constitute a permanent merger of Rogaland.