Ravenna, Basilica di Sant'Apollinare Nuovo, La città di Classe e la teoria delle sante

Basilica of Sant'Apollinare Nuovo, mosaic wall decoration, detail of the north wall: the Civitas Classis and the procession of the virgins. The representation of the city belongs to the primitive decoration of the church built during the reign of Theodoric, the procession was instead executed during the episcopate of Agnellus.