Children perform Peking Opera during an event in celebration of the upcoming International Children's Day at Xichang Primary School of Chengdong Township in Haian City, east China's Jiangsu Province, May 30, 2019. (Xinhua/Xu Jinbai)
In pics: baby giant pandas at "Giant Panda Kindergarten" in Wolong, SW China
In pics: lotus flowers at wetland park in east China's Anhui
Scenery of Wulingyuan Scenic Area in Zhangjiajie
Fork-tailed sunbird flies among flowers in Chongqing
Water fowls find rest place, habitat at Minjiangkou Wetland in Fuzhou, SE China
Scenery of Mount Emei in China's Sichuan
In pics: great spotted woodpecker in NE China's Liaoning
View of terraced field in C China's Hubei