Mei Lan, Zoo Atlanta's giant panda cub, plays in her enclosure, Thursday, Feb. 14, 2008, at Zoo Atlanta in Atlanta. The zoo is hoping to hear the pitter patter of little paws again. Now that Mei Lan is old enough to be weaned from her mother, Lun Lun, zookeepers hope that the elder panda is ready to mate. If all goes as planned, Lun Lun will become pregnant this spring and deliver Zoo Atlanta's second giant panda cub at the end of the summer. (AP Photo/John Bazemore)

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