Female giant panda "Ba Si" gestures as the feeder does at the Fuzhou Giant Panda World zoo in Fuzhou, capital of southeast China's Fujian Province, Nov. 13, 2010. "Ba Si" is the prototype of "Pan Pan", mascot of the 1990 Beijing Asian Games. Its 30th birthday was celebrated in Fuzhou on Nov. 13. (Xinhua)

People take photos of giant panda "Ba Si" at the Fuzhou Giant Panda World zoo in Fuzhou, capital of southeast China's Fujian Province, Nov. 13, 2010. "Ba Si" is the prototype of "Pan Pan", mascot of the 1990 Beijing Asian Games. Its 30th birthday was celebrated in Fuzhou on Nov. 13. (Xinhua)

People celebrate the 30th birthday of female giant panda "Ba Si", prototype of "Pan Pan", mascot of the 1990 Beijing Asian Games, at the Fuzhou Giant Panda World zoo in Fuzhou, capital of southeast China's Fujian Province, Nov. 13, 2010. (Xinhua)

Female giant panda "Ba Si" eats a birthday cake at the Fuzhou Giant Panda World zoo in Fuzhou, capital of southeast China's Fujian Province, Nov. 13, 2010. "Ba Si" is the prototype of "Pan Pan", mascot of the 1990 Beijing Asian Games. Its 30th birthday was celebrated in Fuzhou on Nov. 13. (Xinhua)