Transforming an abandoned factory into a cultural site is commonplace at the start of the 21st century. But when it comes to Iril, a former stockings and tights factory, the project was a real challenge. If only because of the dimensions of the building. It was the famous architect Bernard Tschumi who had the task of providing this most fertile of art schools with an emblematic setting. This work evokes the establishment of ECAL in Rennes, through images and through 15 interviews conducted by Jean Pierre Pastori.