[SeekAndFind]

FEATURES:

* Route would begin in north east China and run through part of Siberia

* Would then use 125-mile tunnel to travel under the Bering Strait

* It would resurface in Alaska, head across Canada and finish in the US

* Would be 2,300 miles longer than the Trans-Siberian Railway

[Kackikat]

And this makes sense how?

[Delta Dawn]

Talk about back to the future...