THE DUCHY OF MILAN - HERALDRY

Visconti coat of arms depicting the snake that eats up a child, in the center of the archway the sun is shining symbol of Gian Galeazzo first Duke of Milan and as the sun, was source of life for his subjects. Decorative Fresco, recently restorated, archway from the ceiling on the porch Rocchetta Courtyard at Sforza Castle. Italy, Milan (photography 2015), XV century. (Photo by Fototeca Gilardi/Getty Images)