ARCHITECTURALTHEORY.EU is present in the German pavillion at the 2010 Venice Biennale as part of the Sehnsucht project. In cooperation with Prof. Ruth Berktold of the Hochschule München, Mathieu Wellner is in charge of a workshop about '10 Strong Feelings in Architecture', the results of which will be presented on Thursday September 23. Bart Lootsma contributes to the exhibition of sketches. Here a short essay on this work under the title 'Tattoo'