Xinhua Headlines: Multi-ethnic "train doctors" safeguard Xinjiang's fast-track development

(230127) -- URUMQI, Jan. 27, 2023 (Xinhua) -- Mechanic Azigul Tuniyaz examines an ultrasonic flaw detector at the Urumqi bullet train unit maintenance station in Urumqi, northwest China's Xinjiang Uygur Autonomous Region, Jan. 16, 2023. (Xinhua/Ding Lei)