Paris has a lively street-art scene that has gone well beyond standard graffiti. The artist Invader has mounted mosaics of Space Invaders across the city, and Miss.Tic is famous for her pochoir tags of sassy women boasting witty puns, while poster art of Marilyn and Michael (Jackson) is everywhere. These artists have become so popular that they have been allowed to run wild with entire streets, like the rue Dénoyez just off the Belleville metro stop in the 20th Arrondissement, and you can now purchase their work for your home interior at popular Paris art galleries like Galerie Ligne 13 and Galerie...