Summer seems like it was just yesterday.

It is the first polar bear seen in the city in more than 40 years, according to local environmentalists.

In the industrial city of Norilsk in Siberia's Krasnoyarsk region, which sits above the Arctic Circle, visibility dropped to zero and buses, planes and ships were canceled or rerouted as a snowstorm raged on Tuesday, reaching speeds of 25 meters per second. The city's emergency services stayed on high alert as a holiday was declared for children and mobile heating stations were set up.

Red water - nickel processing plant says cause is decades of contamination in Soviet times which company is working to overcome.