Technician He Hailong runs a data test at the driving cabin of a high-speed train at a maintenance base in Changchun, northeast China's Jilin Province, Oct. 1, 2021. (Xinhua/Zhang Nan)
People from all walks of life stick to posts on National Day in China
Source: Xinhua| 2021-10-01 18:26:33|Editor: huaxia