Whenever I’m at a concert I wonder what this stuff is illuminated by the spotlights. It isn’t smoke. Can you SEE humidity?

Putting the TMI in absentminded
Whenever I’m at a concert I wonder what this stuff is illuminated by the spotlights. It isn’t smoke. Can you SEE humidity?

2 responses to “What IS this?”
It’s dead people.
Allison -Bwah!