A medical volunteer checks blood glucose for a villager at Hujialin village of Zhouwo Township in Wuqiang county of Hengshui city, north China's Hebei Province, Jan. 11, 2018. Volunteers from communist party members of the Third People's Hospital of Hengshui City went to Hujialin village Thursday offering free clinics to the locals. (Xinhua/Zhu Xudong)