A worker checks a new Fuxing high-speed train with a designed speed of 350 km per hour in China Railway Beijing Group Co.,Ltd in Beijing, capital of China, Jan. 4, 2019. 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/Xing Guangli)