Chinese interest in Greenland comes after Beijing expressed ambitions to form a "Polar Silk Road" by developing shipping lanes opened up by global warming.
With Russian aluminium producer Rusal imploding in the wake of U.S. sanctions against its oligarch owner Oleg Deripaska, attention is now turning to the status of another Russian industrial powerhouse, Norilsk Nickel.
The South American nation hopes to sign a deal with a foreign partner after a decade of state-led development left output far short of goals for the metal.
