The San Diego Zoo's panda cub, which has marked a milestone by cutting his first two teeth the lower canines near the front of his mouth, is seen in this handout photograph taken and released November 12, 2009. The discovery came during a weekly veterinary exam on Thursday. The male cub, which turned 99-days-old on Thursday, weighed 12.5 pounds and was two-feet-long from head to tail.  (Xinhua/Reuters Photo)
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