The more warmly-hued human figures are believed to be the work of Venetian mosaicists, as opposed to the more rigidly formal Byzantine figures of Palermo's Palatine Chapel.
The mosaics have warmly-hued humans in them.
To recapture something of the experience of the medieval pilgrim, park at the Place du Champ-de-Foire, pass through the turreted Porte Neuve, and follow the Promenade des Fosses, which takes you along the ancient ramparts lined with walnut trees.