From Pisa
One of the entrances to Piazza San Pietro (St. Peter's Square) in Vatican City.
From Vatican City
The obelisk, known as the Witness, in St. Peter's Square. It is called the Witness because Paul was supposed crucified next to it (in a different location in Rome).
From Vatican City
The Swiss Guard at St. Peter's, wearing the uniform designed by da Vinci (under the raincoats).
From Vatican City
