Teacher Meng Rongda gives a lesson at the Zhongzhai education spot in Xishan Town of Congjiang County, Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Feb. 16, 2023. Zhongzhai education spot, located in the remote mountainous area of Guizhou Province, has only one teacher and 16 students of Yao ethnic group. In recent years, the conditions of this "mini primary school" have been greatly improved with the help of local government and community. (Xinhua/Yang Wenbin)