Back from Frankfurt, and more about the carnival
The carnival was awesome. At times (see picture below) a bit post-apocalyptic. There were a couple times when windows were broken and where the crowd seemed on the verge of turning into a mob, but mostly it was just delicious caribbean food, pleasant weather and music worth dancing to.
My damage was more like £30 for corn-on-the-cob (2x), jerk chicken with peanut sauce, a smoothie, some adult beverages and a whistle.