In the form of pictures and documents, this book presents a panoramic view of the 110-year development of Beijing-Zhangjiakou high-speed rail, focusing on the development process of Chinas intelligent high-speed rail, and exploring the hard-core strength of Beijing-Zhangjiakou high-speed rail that pioneered the worlds smart high-speed rail and leads the world. This book The book will show the construction process of the smart high-speed rail, smart equipment and the operation of smart stations with the photography works in the authors daily reports, and all the scenes have the beauty of details. The author of this book will walk into Chinas most important high-speed rail construction companies, management companies, and manufacturing companies to show readers what the smart high-speed rail looks like. It is an authoritative and practical reference material.