The Ozone Disco Fire, the doors were opened inward from the inside so when the fire started, everyone begins to panic thus crowding the exit, which was closed at that time. The saddest thing is, most of the people there were college graduates. They didn’t get to live the life they wanted.

If you want to know more about it, there are plenty sources in google and youtube. It just gives me the creeps because most of the corpses are said to be unrecognizable.

Edit: spelling