Combined photos taken on May 6, 2009 (L) and March 14, 2018 show a girl named Wu Meilie from Miao ethnic group in childhood and at school in Nabu Village of Napo County, south China's Guangxi Zhuang Autonomous Region. Located at China's southwest boarder, Napo County used to be a poverty-stricken place. Local government has devoted to infrastructure construction in the past decade and residents' living conditions have been greatly improved. (Xinhua/Zhang Ailin)