03/18/2010 05:12 am ET Updated May 25, 2011

Yun Zi, New Panda Cub At San Diego Zoo, Prepares For His Big Reveal (PHOTOS)

Five-month-old panda cub Yun Zi is the newest addition to the panda family at the San Diego Zoo. He played around in one of the panda exhibit areas today before he makes his big debut Thursday. Vote for your favorite Yun Zi pose!

Yun Zi, New Panda Cub At The San Diego Zoo

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