Aurora, a two-year-old female polar bear, plays with a pumpkin inside her open air cage during the Zoo Halloween Weekend event at the Royev Ruchey zoo in Russia's Siberian city of Krasnoyarsk, October 26, 2012. Zoo employees held a competition for the best Halloween pumpkin, which were afterwards presented to the animals. (Photo by Ilya Naymushin/Reuters)
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