Pope Benedict flew over St. Peter's Square Thursday morning as he departed the Vatican in a helicopter flight to Castel Gandolfo.
Earlier today, Pope Benedict XVI delivered his final greetings to the assembly of cardinals at the Vatican.
Benedict, who is set to retired in a few hours, urged the cardinals to work in unity and promised his unconditional reverence
and obedience to his successor.
Pope Benedict will spend the rest of his retirement at Castel Gandolfo.