Ninety-four-year-old Tang Shangjun is a retired teacher in Anhua County, Hunan Province. After returning to his village at the age of 70, he volunteered to help left-behind children with their homework. He has now been tutoring students for 24 years and has built eight schools in 40 years. As China celebrates Teachers' Day on September 10, thanks go out to him and to all teachers.
