https://blog.wongcw.com/2021/06/21/%e6%9d%b1%e4%ba%ac%e5%a5%a7%e9%81%8b%e6%9c%83%e8%a7%80%e8%b3%bd%e4%ba%ba%e6%95%b8%e4%b8%8a%e9%99%90%e5%ae%9a%e7%82%ba1%e8%90%ac%e4%ba%ba/
東京奧運會觀賽人數上限定為1萬人