Depending on which side of the city you visit, Hamburg, Germany can be either a very wealthy or a very gritty place.
The walking street art tour I did was definitely on the gritty site.
Here is a complete list of everything I brought along, including everything I was wearing and what was in my free hand item, a pretty average size purse.
Ethan and I found super cheap airplane tickets to Europe and did a 10-day tour of Amsterdam, Hamburg, and Berlin late this month. Here's a post I wrote about my experience in Berlin on the flight back to Chicago.