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Knut's Best MomentsRemembering the world's most famous polar bear and his full four years of life
Credit: Arnd Wiegmann/Landov
Updated: Tuesday Mar 22, 2011 | 06:00 AM EDT
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In March 2007, hundreds of visitors gathered to see the public debut of the first polar bear born at the zoo in 30 years. With his sweet countenance, Knut became an international star overnight.
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