Artic sea ice is at record low area. Sea ice volume is less easily documented, but all the data points to a steady dramatic decline.
https://nsidc.org/sea-ice-today
China is working with Russia and other countrys to build out a vast rail network that is pushing westward, and I think delivering small(token) trains to scandenavia already. The bottom line is that China can deliver what you want, where you want it, when you want it, at a price you cant say no too.
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