A staff member maintains a freight train in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
A worker registers freight train maintenance data in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
Staff members maintain freight trains in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
A staff member maintains a freight train in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
Staff members maintain freight trains in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
Staff members maintain freight trains in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
A maintenance worker repaints a freight train carriage in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
A staff member maintains a freight train in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
A staff member maintains a freight train in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
Staff members maintain freight trains in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)
Staff members maintain a freight train in Liuzhou City, south China's Guangxi Zhuang Autonomous Region, Jan. 31, 2021. Workers of China Railway Nanning Group Co., Ltd. are busy maintaining freight trains to prepare for the country's annual Spring Festival travel rush. (Xinhua/Zhang Ailin)