In Photos: Deadly Deep Freeze Grips U.S. Midwest
A blast of icy polar air brought dangerously low temperatures to the US Midwest. Officials say temperatures could reach as low as -40C as the polar vortex spreads. On Wednesday morning Chicago was significantly colder than Antarctica. From the editor of the International Falls Journal newspaper to workers who shovel at the entrance to City Hall in whiteout conditions during a winter storm in Buffalo, these photos will give you details about the polar vortex.
Check them out for more information and start to see our world through photos!