Photos: Animals at Chicago zoo stay cool in heat wave

Photos: Animals at Chicago zoo stay cool in heat wave

Credit: Getty Images

BROOKFIELD, IL - JULY 18: Hudson, a polar bear, gets a treat of fruit served on a block of ice to help him keep cool in his enclosure at Brookfield Zoo on July 18, 2013 in Brookfield, Illinois. A heat wave continues to grip much of the country today with temperatures expected to top 90 degrees in 47 states. (Photo by Scott Olson/Getty Images)

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by Getty Images

Getty Images

Posted on July 18, 2013 at 7:33 PM

Photos from the Brookfield Zoo on July 18, 2013 in Brookfield, Illinois. A heat wave continues to grip much of the country today with temperatures expected to top 90 degrees in 47 states.

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