East Asia CNN: Beneath the Great Wall of China lies the world's deepest high-speed railway station and the world's first self-driving high-speed train

[Beijingwalker]

The Great Wall, the Snow Mountain, 5G bullet train, 350km/hour moving office, ALL IN ONE.

 

[Beijingwalker]

 

[Beijingwalker]

 

[Beijingwalker]