A staff member disinfects facilities at Jinan Railway Station in Jinan, east China's Shandong Province, Feb. 1, 2021. The number of railway passenger trips took a nosedive in the beginning days of the 40-day Spring Festival travel season amid stringent epidemic control measures, data from the national railway operator showed. (Xinhua/Wang Kai)

Passengers check in at Jinan Railway Station in Jinan, east China's Shandong Province, Feb. 1, 2021. The number of railway passenger trips took a nosedive in the beginning days of the 40-day Spring Festival travel season amid stringent epidemic control measures, data from the national railway operator showed. (Xinhua/Wang Kai)
 

Passengers wait to board the train at Jinan Railway Station in Jinan, east China's Shandong Province, Feb. 1, 2021. The number of railway passenger trips took a nosedive in the beginning days of the 40-day Spring Festival travel season amid stringent epidemic control measures, data from the national railway operator showed. (Xinhua/Wang Kai)

A staff member disinfects seats at Jinan Railway Station in Jinan, east China's Shandong Province, Feb. 1, 2021. The number of railway passenger trips took a nosedive in the beginning days of the 40-day Spring Festival travel season amid stringent epidemic control measures, data from the national railway operator showed. (Xinhua/Wang Kai)

A passenger awaits train at Jinan Railway Station in Jinan, east China's Shandong Province, Feb. 1, 2021. The number of railway passenger trips took a nosedive in the beginning days of the 40-day Spring Festival travel season amid stringent epidemic control measures, data from the national railway operator showed. (Xinhua/Wang Kai)

Passengers await trains at Jinan Railway Station in Jinan, east China's Shandong Province, Feb. 1, 2021. The number of railway passenger trips took a nosedive in the beginning days of the 40-day Spring Festival travel season amid stringent epidemic control measures, data from the national railway operator showed. (Xinhua/Wang Kai)