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For new readers and those who request to be “好友 good friends” please read my 公告栏 first
In an earlier blog, I reported about new airport in Beijing http://blog.sciencenet.cn/home.php?mod=space&uid=1565&do=blog&id=1172189 . It is now completed, if you have access to YouTube, you can see the most luxurious airport in the world, the Daxing airport – the fifth Beijing airport since 1979 (I thank Dr. Bill Mak of HK for telling me of this URL link)https://www.youtube.com/watch?v=gBmr4pvivjs who also told me about the trackless smart train that runs on highways in China https://www.youtube.com/watch?v=1pRJ9n5xI3c)
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