The restoration and conservation of Palazzo Lanfranchi, originally aimed at the definitive arrangement of the National Gallery of the Basilica, the arrangement of the large rear terrace of the Palace overlooking the panorama of the Sassi, for the creation of a semi-temporary open-air theatre for 450 seats through the also creation of all the necessary equipment for staging outdoor shows. In particular, the project involves the repaving of the belvedere square overlooking the Sassi, on which the imprint of the underground rooms below will be highlighted.