Are you looking for some interesting reading or blogs to follow for art? Let me suggest the blog Unurth. This blog is about Street Art. Unurth is run by Sebastian Buck from Los Angeles. He does an excellent job covering the street art scene.
Their last blog post is about Positive Propaganda Munich, a non-profit art association. They organize and promote contemporary socio-political art in public urban spaces. You can learn about them here.
This photo is an example of an artist they recruited for a project [ Shephard Fairy ].
Here are a few links to follow Unurth Street Art blog on other platforms. You can even sign up to follow their blog.