Yang Pingyi (2nd R), inheritor of the traditional instrument of Dong ethnic group, teaches students at a school in Sanjiang Dong Autonomous County, south China's Guangxi Zhuang Autonomous Region, Nov. 14, 2016. Courses aiming to help youngsters learn more about the local intangible cultural heritages were added to the school's curriculum in Sanjiang. (Xinhua/Huang Xiaobang)