Maintenance workers stick to posts to ensure transportation safety in Tibet

Staff members of railway maintenance company of China Railway 12th Bureau Group work at the area of Nyainqentanglha Range, where the Qinghai-Tibet Railway passes by, in southwest China's Tibet Autonomous Region, March 1, 2020. Railway maintenance workers stuck to their post to ensure the safety of railway transportation amid the novel coronavirus outbreak. (Xinhua/Chogo)