https://en.wikipedia.org/wiki/2004_Miyun_stampede
https://doi.org/10.1016/j.ssci.2007.08.002
https://www.upi.com/amp/Archives/2004/02/05/Festival-stampede-in-China-kills-37/3451075957200/
https://www.chinadaily.com.cn/english/doc/2004-02/06/content_303605.htm
https://www.cbsnews.com/news/at-least-37-die-in-china-stampede/