As part of the Trigon ’75 biennial organized by the Neue Galerie in Graz, Austria, Franco Vaccari invited people to walk up a flight of stairs to the top of the city tower. Standing along their path were a series of people—giants, very short people, identical twins—and a little monkey. “Anyone who came to look was actually followed constantly by the gaze of the motionless people they met along the stairway,” Vaccari explains in the catalogue for his recent exhibition at Spazio Oberdan, describing how his Esposizione in tempo reale n. 12: Viaggio—Trip Lucido (Exhibition in Real Time No. 12: Lucid