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![CHINA-HAINAN-HAIKOU-CHILDREN'S DAY-CELEBRATION (CN)](138109335_15594320045341n.jpg)
A man and his child play glass balls at Hainan Museum in Haikou, capital of south China's Hainan Province, June 1, 2019. A special event featuring "old games" including playing glass balls and hopscotch is held on Saturday to celebrate the International Children's Day. (Xinhua/Guo Cheng)