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Tierpfleger Thomas Doerflein, rechts, spielt am 5. Juli 2007, im Zoo in Berlin mit dem Eisbaeren Knut. Die Eisbaerin Giovanna aus dem Muenchner Tierpark Hellabrunn, die sich am Mittwoch, 23. September 2009, erstmals dem Berliner Publikum in einem Gehege des Zoss zeigte, soll ab naechster Woche dem Eisbaeren Knut Gesellschaft leisten. (AP Photo/Franka Bruns) ---- In this July 5, 2007 file photo former keeper Thomas Doerflein, right, plays with polar bear cup Knut in his outdoor enclosure in the Berlin Zoo. Female polar bear Giovanna from the Hellabrunn animal garden in Munich, who is temporarily at the Berlin zoo and was presented to the public on Wednesday, Sept. 23, 2009 is supposed to share an enclosure with Berlin's famous polar bear Knut coming week. (AP Photo/Franka Bruns)