Master Pierre Perrat. Architect. Legend. The Devil. The vault. Not much remains of this unusual character, but what if he were brought back to life? Listen to the story of the cathedral and its construction, as told by Pierre Perrat himself, who has come back to set the record straight regarding this exceptional project. A quirky and humorous visit suited to a family audience. A ghost? A memory? An illusion? Maître Pierre Perrat will take you on a (re)discovery tour of this iconic monument in the city of Metz.