Thousands attend pope’s last blessing at St. Peter’s Square ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Oli Scarff/Getty Images Crowds gathered to see Pope Benedict XVI in St. Peter’s Square in Rome on Sunday. Andrew Medichini/Associated Press The pope spoke from the window of his studio overlooking the square. Riccardo De Luca/associated press Attendees said “thank you” to the outgoing pope. Domenico Stinellis/Associated Press Nuns waited for Benedict to speak. Peter Macdiarmid/Getty Images The square was clear of most people later Sunday. The pope will hold his last audience Wednesday.