Combined photo shows photo taken on Aug. 9, 2014 (up) displaying giant panda triplets Mengmeng, Shuaishuai and Kuku on the 12th day after they were born in Guangzhou, capital of south China's Guangdong Province, photo taken on July 29, 2015 (middle) showing giant panda triplets with their keepers celebrating their first birthday in Guangzhou (by Xinhua photojournalist Liu Dawei) and photo taken on July 29, 2016 shows they eating bamboo shoots and carrots at their birthday party here (by Xinhua photojournalist Lu Hanxin). A party celebrating the second birthday of the world's only surviving panda triplets, who were born on July 29, 2014 in Guangzhou, was held at Chimelong Safari Park here Friday. (Xinhua)