I've been to C3 when it was in Berlin, then in Hamburg, then in Leipzig, but haven't been to it since it's back in Hamburg after the pandemic - before that it w

I've been to C3 when it was in Berlin, then in Hamburg, then in Leipzig, but haven't been to it since it's back in Hamburg after the pandemic - before that it was always a bit of a fight with crashing ticket systems and other people's perl scripts :D So not necessarily my definition of something that you can easily just do on a spontaneous visit to Hamburg ;)