File picture shows polar bear cub Knut playing with a blanket during the bear&#x27;s first presentation in Berlin zoo March 23, 2007. Knut, the hand-reared polar bear who captured Germans&#x27; hearts before his early death in 2011, returns to his adoring Berlin public on February 15, 2013 as a life-sized model with the bear&#x27;s real fur. The sculpture will be shown for four weeks to the public starting on February 16. Picture taken March 23, 2007. REUTERS/REUTERS/Arnd Wiegmann/File