A worker conducts disinfection on a train in preparation for the upcoming Spring Festival travel rush, in Changchun, northeast China's Jilin Province, Jan. 27, 2021. China's Spring Festival travel rush will span from Jan. 28 to March 8 this year. (Xinhua/Zhang Nan)
A worker conducts disinfection on a train in preparation for the upcoming Spring Festival travel rush, in Changchun, northeast China's Jilin Province, Jan. 27, 2021. China's Spring Festival travel rush will span from Jan. 28 to March 8 this year. (Xinhua/Zhang Nan)
Workers conduct disinfection on a train in preparation for the upcoming Spring Festival travel rush, in Changchun, northeast China's Jilin Province, Jan. 27, 2021. China's Spring Festival travel rush will span from Jan. 28 to March 8 this year. (Xinhua/Zhang Nan)
A worker conducts disinfection on a train in preparation for the upcoming Spring Festival travel rush, in Changchun, northeast China's Jilin Province, Jan. 27, 2021. China's Spring Festival travel rush will span from Jan. 28 to March 8 this year. (Xinhua/Zhang Nan)
A worker conducts disinfection on a train in preparation for the upcoming Spring Festival travel rush, in Changchun, northeast China's Jilin Province, Jan. 27, 2021. China's Spring Festival travel rush will span from Jan. 28 to March 8 this year. (Xinhua/Zhang Nan)
A worker conducts disinfection on a train in preparation for the upcoming Spring Festival travel rush, in Changchun, northeast China's Jilin Province, Jan. 27, 2021. China's Spring Festival travel rush will span from Jan. 28 to March 8 this year. (Xinhua/Zhang Nan)
Workers conduct disinfection on a train in preparation for the upcoming Spring Festival travel rush, in Changchun, northeast China's Jilin Province, Jan. 27, 2021. China's Spring Festival travel rush will span from Jan. 28 to March 8 this year. (Xinhua/Zhang Nan)