On Saturday, the new subway train named Dolphin was put in to service on Beijing's Yanfang line, linking Yanshan and Fangshan areas. The train, developed by CRRC Changchun Railway Vehicles Co, has a top speed 80 km/h. It is China's first fully domestically developed and automated subway and can be operated in driverless mode. [Photo by Han Junhong and Zhou Huiying]