Liu Wenyu carries a parcel with his chin and left arm at a courier station of YTO Express in Xiaodian District in Taiyuan, north China's Shanxi Province, Feb. 28, 2019. Liu lost his right arm by accident when he was 21. Despite his physical defect, Liu refused to be defeated by working as a skilled deliveryman with his strong will and sincerity. Liu was promoted as a manager of a courier station in Taiyuan, and his story was reported by a TV program in 2017. (Xinhua/Yang Chenguang)