Crew members pose for photos with a CR400AF Fuxing intelligent bullet train in southwest China's Chongqing, June 23, 2021. /CFP

The CR400AF Fuxing intelligent bullet train will be put into operation on the railway linking Chengdu, capital city of southwest China's Sichuan Province, and Chongqing on June 25. /CFP

Equipped with "smarter" facilities such as vending machines and intelligent lighting, the trains will provide passengers with better services. /CFP

Each new train will also offer braille instructions for the visually impaired and more mobile phone charging points, including wireless ones. /CFP