Teacher Zeng Wenping prepares lectures at Qiyin school in Nanchang, capital of east China's Jiangxi Province, Nov. 26, 2018. Zeng, 43, has been engaged in special education for 21 years ever since she graduated from university. Hearing impaired students enjoy the all-encompassing heartfelt and intensive care by Zeng and consider her as more than a teacher but a sister. (Xinhua/Hu Chenhuan)