Panda triplets Meng Meng, Shuai Shuai and Ku Ku celebrate their fourth birthday in Chimelong Safari Park, Guangzhou City, Guangdong Province, July 29, 2018. The three bears are the world's first healthy panda triplet cubs. (Photo: China News Service/Chen Jimin)
Panda triplets Meng Meng, Shuai Shuai and Ku Ku celebrate their fourth birthday in Chimelong Safari Park, Guangzhou City, Guangdong Province, July 29, 2018. The three bears are the world's first healthy panda triplet cubs. (Photo: China News Service/Chen Jimin)
Panda triplets Meng Meng, Shuai Shuai and Ku Ku celebrate their fourth birthday in Chimelong Safari Park, Guangzhou City, Guangdong Province, July 29, 2018. The three bears are the world's first healthy panda triplet cubs. (Photo: China News Service/Chen Jimin)
Panda triplets Meng Meng, Shuai Shuai and Ku Ku celebrate their fourth birthday in Chimelong Safari Park, Guangzhou City, Guangdong Province, July 29, 2018. The three bears are the world's first healthy panda triplet cubs. (Photo: China News Service/Chen Jimin)