Zhu Youfang, who suffers from an illness hampering her motor functions, hangs on to a rope in order to stand while she teaches her class at Shangluo school in Chengui town of Daye, Central China's Hunan province on March 30, 2015. Zhu, who has 31 years of teaching experience, has persisted teaching despite her poor health conditions over the last three years. [Photo/IC]