Eine Wand der polnischen Künstlerin Natalia Rak an der Görlitzer Straße 49, Kreuzberg. An artwork by urban artist Natalia Rak is pictured as part of the first 'Berlin Mural Fest 2018', where national and international urban artists create a large open-air gallery to enrich urban spaces, in Berlin, Germany, May 21, 2018.