A Nepalese girl performs at an event organized in celebration of National Children's Day in Kathmandu, Nepal, Sept. 15, 2019. Nepal observed its Children's Day on Sunday with various events organized nationwide. (Photo: Sunil Sharma/Xinhua)

A girl gestures as she attends an event organized in celebration of National Children's Day in Kathmandu, Nepal, Sept. 15, 2019. Nepal observed its Children's Day on Sunday with various events organized nationwide. (Photo: Sunil Sharma/Xinhua)

Nepalese children walk towards their school on National Children's Day in Kathmandu, Nepal, Sept. 15, 2019. Nepal observed its Children's Day on Sunday with various events organized nationwide. (Photo: Sunil Sharma/Xinhua)

Children sing the national anthem at an event organized in celebration of National Children's Day in Kathmandu, Nepal, Sept. 15, 2019. Nepal observed its Children's Day on Sunday with various events organized nationwide. (Photo: Sunil Sharma/Xinhua)

Nepalese children perform at an event organized in celebration of National Children's Day in Kathmandu, Nepal, Sept. 15, 2019. Nepal observed its Children's Day on Sunday with various events organized nationwide. (Photo: Sunil Sharma/Xinhua)