The seven-year-old Yang Zhihui talks with his father Yang Mingxu in Hepinglu Community of Yaohai District in Hefei, east China's Anhui Province, July 28, 2016. To enrich summer vacation of left-behind children who came to cities for family reunion with their parents, some cities provided voluntary services and venues to organize a variety of activities for them. [Photo: Xinhua]
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