Fondazione Prada, la mostra "L'image volée"

Police officers search for clues as they pack up the frames of the stolen paintings outside the Paris Museum of Modern Art, following the report of five paintings having been stolen, Thursday May 20, 2010. Police and prosecutors say a lone thief has stolen five paintings worth a total of Euros 500 million ($613 million), including works by Picasso and Matisse and Modigliani. (AP Photo/Jacques Brinon)