That second photo is of the Medici families second palace residence they had constructed and had an elevated covered walking path constructed between the old palace and new so they didn’t have to rub elbows with the common man to pass between the two palaces.
I've been in Sardinia for a week eating cured meats and drinking Italian wine. Even the stuff they consider average is dynamite compared to what I'm used to. Enjoy your lunch, it should be great.