In an animated homage to Serge Gainsbourg, French videographer Arnaud Jourdain put together a great short depicting the progression if graffiti on one wall over the course of five years. Pretty amazing to watch the layering of the various tags and images, in both 2-D and 3-D form.

Serge Gainsbourg - animation des graffitis sur 5 ans du mur rue de Verneuil from Arnaud Jourdain on Vimeo.