A bullet freight train is seen in Tangshan, north China's Hebei Province, Nov. 30, 2020. A bullet freight train with a maximum operational speed of 350 km per hour was rolled out in Tangshan, north China's Hebei Province, on Wednesday morning. Delivered by Chinese train maker CRRC Tangshan Co., Ltd., it is the first freight train in the world to reach the 350 km/h speed threshold, according to the company. (Photo by Wu Kechao/Xinhua)
