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
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