The seven-year-old Yang Zhihui (L) 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. (Xinhua/Guo Chen)
