As I was looking at the Ana code group wall it struck me that The Mona Lisa is probably the most well known icon of Italy, you don't get more Italian than her.
So I looked at the code and found this -
NB. THE MONA LISA PINS R.K'S CODE RED TO ITALY.
Code red I took to mean red alert but at first I couldn't see (other than the obvious Italian connection) why the code red is linked to her, then I got it, the Pi code under the Mona Lisa picture on my blog is in RED.