A train dispatcher works at a station where a Jiayang steam train stops in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Jiang Hongjing)
A Jiayang steam train runs on a narrow gauge railway in cole flower fields in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Jiang Hongjing)
A Jiayang steam train runs on a narrow gauge railway in cole flower fields in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Jiang Hongjing)
A Jiayang steam train runs on a narrow gauge railway in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Chen Tianhu)
A Jiayang steam train runs on a narrow gauge railway in cole flower fields in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Chen Tianhu)
A Jiayang steam train runs on a narrow gauge railway in cole flower fields in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Jiang Hongjing)
A Jiayang steam train runs on a narrow gauge railway in cole flower fields in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Chen Tianhu)
Tourists take photos of a Jiayang steam train running on a narrow gauge railway in cole flower fields in Qianwei County, southwest China's Sichuan Province, March 20, 2019. The old-fashioned steam train, running on a narrow gauge railway in Qianwei County, serves mainly in sightseeing, but as increasing number of tourists visit the county in recent years, the train itself has become an attraction providing a journey of reminiscence. (Xinhua/Jiang Hongjing)