What if we built a tunnel under the Atlantic? Well, a Transatlantic Tunnel would cost 12 trillion dollars and take over 100 years to build. It would be a submerged floating tunnel anchored to the seabed, measuring 3,000 kilometers across, between Canada and Ireland. With Hyperloop technology, it would cut New York City to London to only 5 hours. Do you think a transatlantic tunnel will ever be built? Let us know in the comments below!

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