The inside of the main hall under the cupola is the "Statue of the Republic" ("La Estatua de la República"). The statue, also by Zanelli, was cast in bronze in Rome in three pieces and assembled inside the building after its arrival in Cuba. It is covered with 22 carat (92%) gold leaf and weighs 49 tons. At tall, it was the second highest statue under cover in the world at the time, with only the Great Buddha of Nara being taller. The statue stands on a plinth high bringing the total height to . A Creole Cuban, Lily Valty served as the model for the body for Zanelli, and the inspiration for the statue came from Athena, the Greek goddess of wisdom.