I got there when there was less than a hundred people or so, there ended up being probably close to 8-10,000 people, so I'll post some pictures from my absolutely terrible cell phone camera.
Luckily my cell phone has a panorama feature, so click on the photo to view it full size, so you can see how ridiculous it was lol.
+ Show Spoiler [ Pictures here] +
Yeah, Kids were starting to climb lamp posts and trees and whatever they could find and hanging american flags up as high as they could.
Last picture of the night: Around 1:00 AM