Second antichamber of the Prince of Piedmont's Apartment, one of the most valuable of the Juvarrian period, placed on the second floor of the Castello." Li geroglifici, de i quattro paesi del mondo che si darà il disegnio distinto di caduno con i festoni che l’ornano di putti e fiori e altre cose che si producono in dette parti del Mondo tutto bene lavorato di rilievo”, as we can read the Instruction for the stucco ornament to be made in the Second Cabinet of S.A.R. in the Palace of Rivoli.In the decorative project Filippo Juvarra's interior the frame acquires more and more importance, and the "hieroglyphics" become a real story for images, in this case presenting the allegories of the four continents: a large sun that stands on bundles of wheat wrapped in pearls and reptiles depicts Asia.