Oof. Those poor Swiss nightclub patrons didn't stand a chance. That's highly flammable sound proofing foam above pyrotechnics. I don't know why both haven't been universally banned in clubs.
If you go to a club, or any place you're not familiar with like a hotel, find and walk to the nearest fire exits. clock where they are. you may have to get to them in the smoke filled dark to survive.
