Not only

the decline in Arctic ice, unlike Antarctica, the Arctic is not a continental landmass.

It is largely just floating sea ice on top of some islands.

And so that is very navigable either when that ice melts or with especially new technologies like nuclear-powered icebreaker ships.

The Russians have invested in those significantly, much more so than we have.

And now the Chinese are getting into the game as well, as you mentioned.

And they've been working on this for quite some time.

Greenland.