Norway is building the world’s longest and deepest underwater tunnel, one of Europe’s most ambitious engineering projects which is hoped will boost the country’s transport links and infrastructure.

Add Yahoo as a preferred source to see more of our stories on Google. The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major cities ...

The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major cities and become part of a ferry-free highway along its western coast. The ...