Photo taken on Jan. 4, 2019 shows the second-class couchette carriage of the CR200J Fuxing high-speed train with a centralized power system that runs 160-km-per-hour. With China updating the country's train diagram in 2019, two new Fuxing high-speed trains, one 17-carriage train with a designed speed of 350 km per hour and another with a centralized power system that runs 160-km-per-hour, will be put into service soon. (Xinhua/Zhang Chenlin)