The remarkable frescoes in The Collegiata, the Romanesquecathedral in the centre of town overlooking the Piazza del Duomo, give a sense of what life was like in the 13th century.
The digital montage I created uses some of the hand-crafted notes, messages and signs posted up on the mock-Romanesque columns around the cathedral and Paternoster Square before the camp was closed down at the end of February.