Cao Zhao, the younger brother of Cao Jin who was dubbed the "most beautiful rural teacher", takes over his late sister's profession at Pinghexiang primary school in Wushan county, Southwest China's Chongqing municipality, Sept 25, 2011. Cao, 19, followed the career of his sister, a 22-year-old rural teacher of Wushan county who passed away on Aug 26 due to cancer. Cao Jin was posthumously entitled "the most beautiful teacher" by the women's federation of Chongqing. Cao Zhao used to study computer technology at a vocational school and now teaches information technology course to his students. [Photo/Xinhua]

Cao Zhao, the younger brother of "the most beautiful teacher" watches his students walking downstairs after class, Sept 25, 2011. [Photo/Xinhua]