Panda “Xin Xin” eats cake during its birthday party at Shanxi Wild Animal Rescue and Breeding Center in Xi'an,capital city of northeast China's Shanxi Province, August 6, 2006. Cakes, apples and watermelon were present by feeders and panda fans to celebrate the 1st anniversary of the birth of Xin Xin which was born on August 6, 2005. [Xinhua Photo]

A birthday party for panda “Xin Xin” is held at Shanxi Wild Animal Rescue and Breeding Center in Xi'an, capital of northwest China's Shaanxi Province, August 6, 2006. [Xinhua Photo]

A staff member holding panda “Xin Xin”pose for a photo during the panda's birthday party at Shanxi Wild Animal Rescue and Breeding Center in Xi'an,capital city of northeast China's Shanxi Province, August 6, 2006. [Xinhua Photo]