Berlin zoo: Beloved polar bear Knut has died
Updated: 2011-03-20 08:15
File photo of polar bear Knut enjoying the cold weather in his enclosure at the Berlin Zoo January 6, 2009. [Photo/Agencies]
File photo of Berlin zoo employee Thomas Doerflein playing with polar bear cub Knut during the bear's first presentation in Berlin zoo, March 23, 2007. [Photo/Agencies]
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