Ma Guoxian (Back), a student from Yunnan University offering volunteer teaching service, presents wax painting works with local students in Dulongjiang Township in Gongshan Dulong and Nu Autonomous County, southwest China's Yunnan Province, April 25, 2019. China has lifted the ethnic minority of Dulong out of poverty in the southwestern province of Yunnan as it steps toward delivering the goal of completely eliminating poverty by 2020. (Xinhua/Jiang Wenyao)