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Beijing 2022: All about Beijing-Zhangjiakou high-speed 5G railway

CGTN, 21 Jan 2022
For more:
https://news.cgtn.com/news/2022-01-20/Beijing-2022-All-about-Beijing-Zhangjiakou-high-speed-5G-railway-16Ycgi2hNss/index.html

The Beijing-Zhangjiakou railway, the world's first smart high-speed rail fully covered by 5G network, will be serving the upcoming Winter Olympics. Take a look at what makes it special!

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