These are works whose priority we do not always recognize, creations which have the art of making us dizzy or turning our certainties about beauty upside down. The arrangements of roundabouts are often talked about in the passenger compartment, when we have time to notice them. Now, it is possible to admire some of them quietly sitting on your sofa. Hanspeter Buholzer has chosen to bring together significant specimens from all over Switzerland in a work written in the three official languages. It is, of course, richly illustrated.