VATICAN CITY, VATICAN - MARCH 29: Tourists write postcards in St Peter's Square on March 29, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)
VATICAN CITY, VATICAN - MARCH 29: Tourists write postcards in St Peter's Square on March 29, 2013 in Vatican City, Vatican. (Photo by Christopher Furlong/Getty Images)