Staff members of Ningxia's first high-speed railway improve services for Spring Festival travel rush

A sanitation worker sweeps the floor on a high-speed train at Zhongwei South Station of Zhongwei City, in northwest China's Ningxia Hui Autonomous Region, Jan. 22, 2020. Staff members are improving services for the first Spring Festival travel rush of Ningxia's first high-speed railway, which was opened in 2019. (Xinhua/Feng Kaihua)