Article Photos: National Zoo's giant panda cub died from liver, lung problems



Tai Shan, a giant panda cub, plays in his pen at the National Zoo on Nov. 29, 2005. At four-and-a-half months, he weighs 21 pounds. (Getty Images)

Tai Shan, a giant panda cub, plays in his pen at the National Zoo on Nov. 29, 2005. At four-and-a-half months, he weighs 21 pounds. (Getty Images)