Wall posts

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  ...r Beijing and 12 km tunnel uner the Great Wall. https://www.asiatimes.com/2020/01/article/winter-olympics-fast-train-goes-under-great-wall/ #WinterGames2022 #China #Technology

  1598 days ago

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  #China driverless fast train goes 350 kilometer per hour this week in preparation of Winter Games 2022. 175km Beijing and Zhangjiakou route have 6 km tunnel under Beijing and 12 km tunnel uner the Great Wall. https://www.asiatimes.com/2020/01/article/winter-olympics-fast-train-goes-under-great-w...

  Tags: China, WinterGames2022, Technology

  1598 days ago