 The Ark of the Covenant contains ‘manna’, the miraculous bread given from Heaven to the Israelites in the desert; this was interpreted as a prefiguration of the Virgin, who bears Christ, the Holy Bread.The mosaicist, and Théodulf d'Orléans, seem to have held a middle course, balanced between extreme iconoclasm and the partisans of images such as John of Damascus.This moderate position is exactly that which the theologians appointed by Charlemagne in the Council of Frankfurt (794) decided upon.