This is a discussion paper about a major art commission during the European Capital of Culture RUHR2010 (Germany). The artists was Jochen Gerz and the public project called (in English) ‘2- 3 Streets: An Exhibition in Three Cities in the Ruhr’ -- situated in three streets of the Ruhr cities (Dortmund, Duisburg and Mülheim an der Ruhr). It defines the public commission in terms of its thematisation of the urban development discourse of the "creative class" (Richard Florida) as well as Western European urban regeneration
