sentences:  The absence of Arretine ware at the site strongly suggests that the city was abandoned by the beginning of the 1st century AD.Many cemeteries and tombs have been excavated in the nearby countryside and many of their grave goods are on display in the on-site museum.The theatre was built in the 4th-3rd c. BC into the hollow of a small hill with, unusually, the cavea facing south against the advice of Vitruvius.