A rare set of three panda cubs born at a south China zoo two weeks ago have become the world's first panda triplets to survive, zoo authorities said Tuesday. The cubs were born within four hours of each other on July 29 at the Chime Long Safari Park in Guangzhou, capital of south China's Guangdong Province. The cubs weighed 90.5 grams, 83 grams and 124.4 grams at birth. They were artificially fed in an incubator because their mother, Ju Xiao, was weak after hours of labor. [Photo/CNS]