Photo taken on Jan. 10, 2021 shows Cao Ziyang (R), a high-speed train conductor, answering a passenger's questions. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua/Wang Kai)
Photo taken on Jan. 10, 2021 shows Cao Ziyang, a high-speed train conductor, helping passengers carry luggage. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua/Wang Kai)
Photo taken on Jan. 10, 2021 shows Cao Ziyang, a high-speed train conductor, checking body temperature of staff members. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua/Wang Kai)
Photo taken on Jan. 10, 2021 shows Cao Ziyang (R), a high-speed train conductor, helping a passenger board the train. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua/Wang Kai)
Photo taken on Jan. 10, 2021 shows Cao Ziyang, a high-speed train conductor, patrolling along the train. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua/Wang Kai)
File photo taken in Feb. 2020 shows Cao Ziyang (R), a high-speed train conductor, works as a volunteer in his community. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua)
Cao Ziyang (R), a high-speed train conductor, receives the COVID-19 vaccine in Jinan, east China's Shandong Province, Feb. 5, 2021. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua/Wang Kai)
Photo taken on Jan. 10, 2021 shows Cao Ziyang (1st R), a high-speed train conductor, answering passengers' questions. Working as a conductor of high-speed trains in Jinan section, Cao has been fighting against the COVID-19 epidemic since its beginning. He delivered epidemic prevention supplies to Wuhan many times in 2020, and has been working as volunteer in the community he lives in. (Xinhua/Wang Kai)
