Gubbio: Symbols Engraved by Crusaders Returning from the Crusades

The Crusades, from the year 1000 until the mid-thirteenth century, stained the Mediterranean with blood, unleashing power struggles under the banner of Holy Wars, for the redemption of something unknown, but beyond our thoughts, the animosity of the fighters for the holy war led those who returned on their own legs to adorn all the religious structures of their city with glyphs.