Photo shows a new “Lei Feng” locomotive of Lanzhou Railway Bureau on March 3, 2017. On March 3, 2017, an event to mark the new “Lei Feng” locomotive was held in Yinchuan City, northwest China’s Ningxia Hui Autonomous Region. Over the past 20 years, the “Lei Feng” locomotive has been upgraded from steam engines to internal combustion engines and electric locomotives, and now its fourth generation of a new type named "Harmony". So far, the “Lei Feng” locomotive of Lanzhou Railway Bureau has traveled 3.58 million kilometers in 10, 219 days. (Xinhua/Wang Peng)
