After his trip back to Italy around 995 , he studied the plans for Dijon Abbey .
After his trip back to Italy around 995 , he amended them in collaboration with Upper Italian workers and master masons who were going to work in Burgundy and Normandy .
After his trip back to Italy around 995 , he studied the plans for Dijon Abbey and amended them in collaboration with Upper Italian workers and master masons who were going to work in Burgundy and Normandy .