A nurse prepares to make sanfutie treatment for a patient in Gaoqing County, east China's Shandong Province, July 12, 2019. Friday marks the beginning of sanfu, which refers to the three 10-day periods that are predicted to be the hottest days of the year. Sanfutie, a typical counter-season treatment in the system of traditional Chinese medicine, treats cold-weather-related illnesses in hot summer with a bandage made of traditional Chinese herbal medicine placed on various acupuncture points on the body. (Photo by Zhang Weitang/Xinhua)