Huang Yan, deputy general engineer of the center, observes a pregnant Panda at the China Wolong Giant Panda Protection and Research Center in southwest China's Sichuan Province, May 23, 2008. The May 12 earthquake killed five staff at the Wolong-based China Giant Panda Protection and Research Center. Three of 10 pandas that went missing have not been found. The center has 60 pandas now.

Pandas eat food at the China Wolong Giant Panda Protection and Research Center in southwest China's Sichuan Province, May 23, 2008.

Pandas play at the China Wolong Giant Panda Protection and Research Center in southwest China's Sichuan Province, May 23, 2008.

A worker raises pandas at the China Wolong Giant Panda Protection and Research Center in southwest China's Sichuan Province, May 23, 2008.

(Xinhua News Agency May 23, 2008)