To take full advantage of a trans-Bering railway, you'll need new trunk lines--Trans-Siberian is too long, circum-Arctic railway when???pic.twitter.com/O1grU7WmMr
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To say nothing of the questionable utility of it. So, this isn't me saying "we should do this!" but rather "if we DID do this..."
Imagine breaking down above the Arctic Circle in the middle of winter with no infrastructure for hundreds of miles.
Another problem, it would link Asia and North America.
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