Children have fun at kindergarten in Shijiazhuang, N China
Xinhua
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Children have fun playing foam at a kindergarten in Shijiazhuang, capital of north China's Hebei Province, June 21, 2018. (Xinhua/Zhang Zhen)

Children have fun playing water guns at a kindergarten in Shijiazhuang, capital of north China's Hebei Province, June 21, 2018. (Xinhua/Zhang Zhen)