May 31 - A five-year-old captive-bred giant panda fell to death less than one year after it was released to the wild, a panda breeding center in southwestern Sichuan Province confirmed Thursday.Experts found the body of Xiang Xiang on Feb. 19 and the panda might fall off from high places in a fight with wild pandas and died of serious viscera damages, according to the China Giant Pandas Protection and Research Center in Wolong.Xiang Xiang, the world's only artificially-bred panda living in the wild, was sent back to nature at the Wolong Nature Reserve for Giant Pandas in Sichuan in April last year.