Zuo Zong (L), a volunteer teacher from Fudan University, guides a student at the radio station of the campus in Wangmin Middle School in Xiji County, northwest China's Ningxia Hui Autonomous Region, April 22, 2019. A volunteer teaching team made of postgraduates from Fudan University has been consecutively offering teaching service in Xiji County since 1999. A total of 224 teachers have offered teaching service in 9 local middle schools and helped to promote education in Xiji County. [Xinhua/Lu Ying]

Mu Qiaohan (1st L), Jiao Wan (2nd L) and Abudumijit Emet (1st R) visit in a student's home in Xiji County, northwest China's Ningxia Hui Autonomous Region, April 24, 2019. A volunteer teaching team made of postgraduates from Fudan University has been consecutively offering teaching service in Xiji County since 1999. A total of 224 teachers have offered teaching service in 9 local middle schools and helped to promote education in Xiji County. [Xinhua/Lu Ying]

Yang Chenhaotong, a volunteer teacher, guides a student in Wangmin Middle School in Xiji County, northwest China's Ningxia Hui Autonomous Region, April 22, 2019. A volunteer teaching team made of postgraduates from Fudan University has been consecutively offering teaching service in Xiji County since 1999. A total of 224 teachers have offered teaching service in 9 local middle schools and helped to promote education in Xiji County. [Xinhua/Lu Ying]

Abudumijit Emet (1st R), a volunteer teacher, organizes a football team to get ready for training in Jiangtai Middle School in Xiji County, northwest China's Ningxia Hui Autonomous Region, April 24, 2019. A volunteer teaching team made of postgraduates from Fudan University has been consecutively offering teaching service in Xiji County since 1999. A total of 224 teachers have offered teaching service in 9 local middle schools and helped to promote education in Xiji County. [Xinhua/Lu Ying]

Mu Qiaohan (R) chats with a student in Jiangtai Middle School in Xiji County, northwest China's Ningxia Hui Autonomous Region, April 24, 2019. A volunteer teaching team made of postgraduates from Fudan University has been consecutively offering teaching service in Xiji County since 1999. A total of 224 teachers have offered teaching service in 9 local middle schools and helped to promote education in Xiji County. [Xinhua/Lu Ying]

Yang Chenhaotong (L), leader of a volunteer teacher team, introduces a desk written with previous team members' names in Wangmin Middle School in Xiji County, northwest China's Ningxia Hui Autonomous Region, April 23, 2019. A volunteer teaching team made of postgraduates from Fudan University has been consecutively offering teaching service in Xiji County since 1999. A total of 224 teachers have offered teaching service in 9 local middle schools and helped to promote education in Xiji County. [Xinhua/Lu Ying]