Close-up detail of part of upper arch of the Porte du Baptistere in the Cour Ovale, showing voussoir treatment (designed by F. Primaticcio for Henry IV); In April 1528 Francis I commissioned Gilles Le Breton for a programme of building (completed 1540) at Fontainebleau. The Cour de l'Ovale was to be rebuilt using the old foundations and retaining the old keep, while a gallery, now the Galerie François I, was to be constructed linking this with the Trinitarian abbey to the west, which was soon demolished and replaced by the Cour du Cheval Blanc. The north range of the Cour du Cheval Blanc survives almost unaltered and is of plastered rubble with brick dressings. The medieval gatehouse (now called the Porte Dorée) in the south-west corner was...