Doctor Yelixat and his horse pass through snow-covered slope during a medical service trip around a pastoral area in Tekes County of Ili Kazakh Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region, Dec. 15, 2017. A large number of medical practitioners are active in China's rural areas where health care is still underdeveloped. Under adverse working conditions, they have carried forward the humanitarian spirit and devoted themselves to the health of rural citizens. China will mark its first Medical Workers' Day on Aug. 19, 2018. (Xinhua/Jiang Wenyao)