Shuaishuai, one of the panda triplets, celebrates its seventh birthday in Guangzhou, Guangdong province, on Thursday. [Photo by Zheng Erqi/chinadaily.com.cn]

The world's only panda triplets marked their seventh birthday in Guangzhou, Guangdong province, on Thursday.

Mengmeng, Shuaishuai and Kuku had cakes made of bamboo leaves, apples and carrots, among other food materials, at Chimelong Safari Park.

A total of 100 children born in July from across the country joined the celebration.