Mandarin video: What can we learn from the quick collapse of Afghanistan and the collapse of US Empire?

Mandarin video: What can we learn from the quick collapse of Afghanistan and the collapse of US Empire? 我們可以從阿富汗的快速崩潰和美帝國的崩潰中學到什麼？
https://vimeo.com/587880735
https://youtu.be/m2yYEkYhY4Y
https://www.facebook.com/100036400039778/posts/548699269686736/?d=n