Fei Yunfeng (front), accompanied by his wife Yan Hongfang, donates blood in Qianyuan Township of Deqing County, east China's Zhejiang Province, Aug. 14, 2018. The 38-year-old Fei and his wife Yan are family doctors in Qianyuan Township of Deqing County. They have been here to offer medical care services to villagers for more than ten years and have a good relationship with local residents. So far, there have been over 800 family doctors in Deqing. (Xinhua/Ni Lifang)