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Villa Jovis, Capri, Reign of Tiberius, 14-37 BCE, barrel vaults and cisterns (water for baths and kitchen), pavement atop barrel vaults to create a large court, north side is apartments, south side is a bath complex, western side court and admin, east side is a long hall and entertainment area, Ambulatio with triclinium (walkway/terrace looking out over the water)