China is considering building an 8,000-mile high-speed rail link to America that would take less than two days to travel. Travelling at around 217mph, the train would leave the north east of the country, run through Siberia and enter a 125-mile tunnel under the Bering Strait, the shortest crossing between Russia and Alaska. It would then resurface and head south through Canada, before reaching its destination in the US. It is unclear whether the American, Canadian or Russian governments have agreed to the proposals. But engineers claim it would provide a viable alternative to air travel, according to China Daily....