Huang Shuigen helps his patient Tao Guojin with the prosthesis in Nanchang, east China's Jiangxi Province, Aug. 8, 2019. Huang Shuigen has been working as a prosthesis technician since 2002. Over the years, Huang has helped hundreds of disabled people. "Helping disabled people to stand up and become self reliant, these are my strongest motivations," he said. (Xinhua/Peng Zhaozhi)