High-speed rail connects major cities in southwest China's mountainous regions

A bullet train of the Chengdu-Guiyang railway is seen at Chengdu East Railway Station in southwest China's Sichuan Province, Dec. 16, 2019. The 648-km-long Chengdu-Guiyang high-speed rail line, an important part of China's ambitious plan to build a high-speed railway network across the country, was launched on Monday. The rail line links Guiyang, capital of southwest China's Guizhou Province, and Chengdu, capital of Sichuan Province. (Photo by Xu Bingjie/Xinhua)