400 Whales at a Time: Inside Europe’s Tunnel Megaproject Beneath the Baltic
It’s one of the longest immersed tunnels ever built. Its 73,000-ton concrete segments float—barely—and it’s being assembled with millimeter precision beneath the Baltic Sea
It’s one of the longest immersed tunnels ever built. Its 73,000-ton concrete segments float—barely—and it’s being assembled with millimeter precision beneath the Baltic Sea
