ZAOZHUANG, CHINA - JULY 17: A doctor prepares sanfutie, therapeutic bandages filled with herbal medicine placed at acupuncture points, at a traditional Chinese medicine hospital on July 17, 2018 in Zaozhuang, Shandong Province of China. Sanfu refers to three 10-day periods that are predicted to be the hottest days of the year, which is considered a suitable time for treating illnesses in traditional Chinese medicine. (Photo by VCG)
