Yang Xiaoyan, a 32 year old math teacher, works in her class. Yan Qilu, 38, math teacher, is in his class. Yan and Yang are couples. Yan started working here in 1995. Now he is the deputy headmaster. His wife Yang came here in 2001. Yan was Yang's tutor when Yang was an intern teacher. They have a nine-year-old son who transferred to a school in Lezhi County this semester. [Photo by Chen Weisong/China.org.cn]