Children color animal drawings during an open door event marking International Children's Day at Romania's Parliament Palace in Bucharest, Romania, June 1, 2026. (Photo: Xinhua)

Children perform a traditional dance during an open door event marking International Children's Day at Romania's Parliament Palace in Bucharest, Romania, June 1, 2026. (Photo: Xinhua)

A child plays chess with a robot during an open door event marking International Children's Day at Romania's Parliament Palace in Bucharest, Romania, June 1, 2026. (Photo: Xinhua)

Children play games during a Happy Childhood Festival in Vladivostok, Russia, May, 31, 2026. (Photo: Xinhua)