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It's a nice and not too long (distance) walk during which you can see a lot of quiet new pieces of street art. Very diverse and of really good artistic quality. Some in our group were missing real or independent art, since most or maybe even all of it was legally done and even ordered and financed by the local government. But in my personal opinion this is a bit of a naive way to evaluate street art. By their topics and contents and also the artistic combination there's actually much to see and discover. You'd even wish to go back to some of them later on to spend more time to find all the details.