 The centre of town is still ringed by its original fortifications.The "Piazza Barberi" includes the Church of San Bartolomeo which houses a fragment of an annunciation by the school of Giotto (14th-15th century) and a bust in bronze by Pietro Tacca.The Via Francesco da Barberino leads to the 14th century "Porta Senese" (Sienese Gate), and the "Ospedale dei Pellegrini" (Pilgrims' Hospice) dating from 1365.