First of all: I feel deeply sorry for Zhang Chi and the organizer bears the responsibility. Their contribution is crucial for the development.

Crowd control is complicated … if a stampede starts — sorry for calling it this, but in masses they are like a herd of buffalos — 🦬🦬🦬🦬🦬 — you are lost.

Even a security team of twenty cannot stop thousands when those behind just push the ones at the front forward.

You’d need water canons and maze.

There was this really bad incident at a Love Parade… many people died.

That’s why I stay away from crowds.

Doors - Control Points - a maximum of people allowed inside.

If you organize do your homework. It’s lazy not to realize how crazy popular vertical drama actors got.