In PIsa, you will find a huge mural on the wall of the church of St. Anthony near the Piazza Victor Emanuele II and the train station.

The mural was painted by Keith Haring in 1989.  He named the mural "Tuttomondo".

Here is a website that gives a great description of the Mural and the artist:

 http://www.comune.pisa.it/turismo/iti...

 

 

Keith Haring Mural