Sound installation created in collaboration with Serafín Alvarez and Lara Garcia. It consisted of 12 speakers with 6 recordings from Barcelona and 6 recordings from Berlin placed behind two superposed maps of its cities (Barcelona-Berlin). This installation was an evolution of the project Reflections, using and reconsidering the same recordings. B/B was exposed in BB Una lectura juxtaposada, dues ciutats, exhibition that took place in the exhibition space in the University of Barcelona in 2010. It was also exhibited in de Kunstfabrik am Flutgraben in Berlin (2010),  in HANGAR in Barcelona (2010) and in Museo Enric Monjo in Vilassar de Mar (2010).