NatureJanuary 7, 2018 Greg Cook 0Photos of a polar bear playing in a snowstorm at Chicago’s Lincoln Park Zoo, Dec. 29, 2017. (Copyright Greg Cook) Polar bear at Lincoln Park Zoo, Chicago, Dec. 29, 2017. (Greg Cook) Polar bear at Lincoln Park Zoo, Chicago, Dec. 29, 2017. (Greg Cook) Polar bear at Lincoln Park Zoo, Chicago, Dec. 29, 2017. (Greg Cook) Tags: Chicago Lincoln Park ZooCategories: Nature Our Photos