The Terrifying Undersea Tunnels Completed or Planned

24/7 Wall St.

Most people are familiar with the Channel Tunnel (or “Chunnel”) that links the U.K. and France. But around the world, other undersea tunnels are in use or proposed to shorten transportation times. We’ve listed the longest ones for you, along with a list of some of the most serious new tunnel proposals. Would you be […]

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