The ketwurst is an East German hot-dog-not-hot-dog made by pushing a bread roll onto a hot spike, toasting the inside, swilling a sausage around in a tray of ketchup, and squeezing the resulting meat mess into the bread hole.
The Berliner Mauerweg cycle path follows all 170 kilometres of the former Berlin Wall. But what do you eat as you attempt to cycle through history? Bread, bottles of Club Mate, Ritter Sport, and a lot of currywurst.
From WWII, through the leftwing rebellions of the 80s, to the squats of Berlin, the CCC is a hacking conference built on politics. And volunteers.