The building that houses the Neuer Aachener Kunstverein is simple: two levels, each a single long room, connected by a plain staircase. This manageable structure was the perfect setting for Nairy Baghramian’s exhibition “Affairen. Ein semiotisches Haus, das nie gebaut wurde. Zu Gast: Janette Laverrière und Henrik Olesen” (Affairs. A Semiotic House That Was Never Built. Guests: Janette Laverrière and Henrik Olesen). In it, the artist staged doublings, reflections, recollections, and meetings. Downstairs, the sculpture Entrechambrage vertical, 2008, greeted exhibition-goers. An architectural