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An activity is held to mark World Children's Day 2019 in east China's Shanghai, Nov. 20, 2019. Activities were held across China on the occasion of World Children's Day 2019, which fell on Wednesday. (Photo by Wang Xiang/Xinhua)
An activity is held to mark World Children's Day 2019 in east China's Shanghai, Nov. 20, 2019. Activities were held across China on the occasion of World Children's Day 2019, which fell on Wednesday. (Photo by Wang Xiang/Xinhua)