Dura-Europos, a Parthian-ruled Greco-Syrian city, was captured by Rome c.AD165. It then accommodated a Roman garrison until its destruction by Sasanian siege c.AD256. Excavations of the site between the World Wars made sensational discoveries, and with renewed exploration from 1986 to 2011, Dura remains the best-explored city of the Roman East. A critical revelation was a sprawling Roman military base occupying a quarter of the city's interior...