Boys have fun with soap bubbles at the Bumi Serpong Damai City Park in South Tangerang, Banten Province, Indonesia, July 23, 2022. Indonesia commemorates its National Children's Day on July 23 every year. (Xinhua/Agung Kuncahya B.)

A girl plays at a playground of the Bumi Serpong Damai City Park in South Tangerang, Banten Province, Indonesia, July 23, 2022. Indonesia commemorates its National Children's Day on July 23 every year. (Xinhua/Agung Kuncahya B.)

A girl plays with her family at a playground of the Bumi Serpong Damai City Park in South Tangerang, Banten Province, Indonesia, July 23, 2022. Indonesia commemorates its National Children's Day on July 23 every year. (Xinhua/Agung Kuncahya B.)

Web editor: Wang Xiaoxuan

Reviewer: Shen Fei