Ryan Garcia, 8, watches Lee, a six-year-old male polar bear, at the Lincoln Park Zoo in Chicago, Illinois August 2, 2006, as temperatures soared to 100 degrees Fahrenheit (38degrees Celcius). [Reuters]

A four-month-old polar bear cub plays in a pool in the zoo in the Siberian city of Krasnoyarsk June 19, 2006. The weak and hungry orphaned cub was delivered in May from a scientific polar station on Wrangel Island in the Arctic Ocean to the zoo, where it is recovering.[Reuters]

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