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Li Rongjun (R) checks food ingredients with his colleague in Hefei, east China's Anhui Province, Jan. 17, 2020. Li Rongjun, a chef working for dining cars on trains, has taken this job for 33 years. During the Spring Festival, the large number of passengers has greatly increased the work intensity of Li. To meet the need of hundreds of millions of people taking the trains on their way home, chefs like Li have to stick to their posts and bring them warm food. (Xinhua/Han Xiaoyu)
