<prompt> Translate the following text to EnglishKatika chumba cha juu, Jacopo della Querccia ameweka picha za chemchemi ya Fonte Gaia, ambayo ni mfano wa kifahari wa karne ya 19.  <response>: A second floor loggia is adorned with Jacopo della Quercias 15th-century carvings for the city fountain Fonte Gaia of which a poor 19th-century replica stands in the piazza. 