http://agathe.gr/guide/late_roman_fortification_wall.html
Late Roman Fortification Wall East of the East Building and Mint we arrive once again at the Panathenaic Way, which in this area is lined along its eastern side by a massive wall built in the 3rd century ... Late Roman Fortification Wall East of the East Building and Mint we arrive once again at the Panathenaic Way, which in this area is lined along its eastern side by a massive wall built in the 3rd century A.D. ... The old Agora, former center of town, is not even within the fortified limits of the Late Roman town, which lay to the east. ... Figure 42. Late Roman Fortification Wall, ca.