Desc: L'hypothèse Aldo Rossi: Directed by Françoise Arnold. With Roger Diener, Jacques Herzog, Aldo Loris Rossi, Peter Zumthor. The ghost of architect Aldo Rossi wanders through the Center International d'Art de Vassivière, in Limousin. In the early 1970s he taught at the Zurich Polytechnic and it was a shock wave. "Without him, nothing would have been possible"