Prof. Mortel:
Ancient city walls of Ravenna (2)
Prof. Mortel:
Ancient city walls of Ravenna (3)
Prof. Mortel:
Ancient city walls of Ravenna (4)
Prof. Mortel:
Ancient city walls of Ravenna (1)
Prof. Mortel:
Fortress of Ravenna, ca. 500
Prof. Mortel:
Lion of St. Mark, from the fortress of Ravenna