This hall of honor was, for a time, used as a party room, thus for balls, before the construction of a new hall a few steps away. Also, its design was intended to be majestic, both by its decoration and its dimensions. “Of neo-classical style, its rich ornamentation is as follows: “Walls and ceilings with staff caissons are inspired by ancient times, with stucco bases topped by bronze patinated Corinthian capitals. They frame the bay windows overlooking the Place de la Nation (Place de l’Hôtel de Ville). In the keystone, the coat of arms of the City. This room dedicated to the arts is decorated with allegorical figures from Greco-Roman mythology.