A second floor loggia is adorned with Jacopo della Quercia's 15th-century carvings for the city fountain Fonte Gaia (of which a poor 19th-century replica stands in the piazza).
Hundreds of replicas have been made of Jacopo della Quercia's original carvings.
mnli hypothesis: Hundreds of replicas have been made of Jacopo della Quercia's original carvings. premise: A second floor loggia is adorned with Jacopo della Quercia's 15th-century carvings for the city fountain Fonte Gaia (of which a poor 19th-century replica stands in the piazza).