Volunteer teacher Wen Changhao gives a lesson on science and technology to local children in Wuying Miao Village of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region, July 28, 2020. A total of eight postgraduate students from Northwestern Polytechnical University have volunteered to Rongshui County to conduct teaching here since September 2019. As part of the voluntary teaching program, they gave lessons to local women and children in Wuying Miao Village on Mandarin, music, science and technology on July 28, 2020. (Xinhua/Huang Xiaobang)

Volunteer teachers enjoy music with local children in Wuying Miao Village of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region, July 28, 2020. A total of eight postgraduate students from Northwestern Polytechnical University have volunteered to Rongshui County to conduct teaching here since September 2019. As part of the voluntary teaching program, they gave lessons to local women and children in Wuying Miao Village on Mandarin, music, science and technology on July 28, 2020. (Xinhua/Huang Xiaobang)

Volunteer teacher Gao Jie gives a lesson on music to local women during a Mandarin training session in Wuying Miao Village of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region, July 28, 2020. A total of eight postgraduate students from Northwestern Polytechnical University have volunteered to Rongshui County to conduct teaching here since September 2019. As part of the voluntary teaching program, they gave lessons to local women and children in Wuying Miao Village on Mandarin, music, science and technology on July 28, 2020. (Xinhua/Huang Xiaobang)

Local children have a class in Wuying Miao Village of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region, July 28, 2020. A total of eight postgraduate students from Northwestern Polytechnical University have volunteered to Rongshui County to conduct teaching here since September 2019. As part of the voluntary teaching program, they gave lessons to local women and children in Wuying Miao Village on Mandarin, music, science and technology on July 28, 2020. (Xinhua/Huang Xiaobang)