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Children of a special education school paint during an activity to greet the International Children's Day in Zunhua City, Tangshan of north China's Hebei Province, May 30, 2019. (Xinhua/Liu Mancang)
Children of a special education school paint during an activity to greet the International Children's Day in Zunhua City, Tangshan of north China's Hebei Province, May 30, 2019. (Xinhua/Liu Mancang)