In 1862 during Haussmann's modernization of Paris, the Théâtre de la Gaîté of the boulevard du Temple was relocated to the rue Papin across from the Square des Arts et Métiers. The new theatre, built in an Italian style to designs of the architects Jacques-Ignace Hittorff and Alphonse Cusin, opened on 3 September. Within a decade, the focus began to shift from melodrama to operetta and opera, so the theatre also came to be known as the Gaîté-Lyrique.