Berlin is a visual haven for graffiti lovers. Colorful tags, stenciling and murals decorate the city's walls, pavement and signs. As Tristan Siegmann shows through his photography, however, these artistic urban touches also represent significant social changes. We met with the photographer on the eve of an artistic residency and the exhibit: "Berlin: Places, Traces and Borders" in Nantes, from Oct. 13-24, 2010.
Read the full interview here