This video comes from Frank Warren over at the one of the best sites on the web, PostSecret. It's bright, hopeful, lonely, dark and even a little disturbing. Everything that you've come to expect each Sunday from PostSecret.
Aside from being a font, Trebuchet is a rather fascinating cousin to the catapult. Unlike the aforementioned device which relies on wound up tension being sudden released, the Trebuchet employs a massive counterweight system to hurl it's payload skyward.
The footage is from the infamous Burning Man Festival. BTW, I am not the one who censored the topless woman on stilts at the beginning of the video. I wanted to see that as much as you did. Thanks to Noel for leading me to this one.