http://agathe.gr/guide/middle_stoa.html
Middle Stoa The appearance of the south side of the Agora was radically changed during the 2nd century B.C. with the construction of several new buildings. This South Square, as it is called, was made ... Middle Stoa The appearance of the south side of the Agora was radically changed during the 2nd century B.C. with the construction of several new buildings. ... First to be built was the Middle Stoa, which ran east–west across the old square, dividing it into two unequal halves and obscuring one of the original boundary stones at its western end. ... Watercolor of the restored upper parts of the Middle Stoa, mid-2nd century B.C., showing the colors used to decorate this and most Greek buildings.
