A doctor from the TCM (Traditional Chinese Medicine) hospital of Changxing explains the efficacy of medicinal herbs to students of Baixian central primary school in Meishan Town of Changxing County, east China's Zhejiang Province, Oct. 22, 2018, the World Traditional Medicine Day. Students of the primary school, which is an educational base of TCM culture in Huzhou City, learn to identify, collect and process medicinal herbs under the guidance of a TCM doctor. (Xinhua/Xu Yu)