German-born Pope Benedict XVI (C) is helped while leaving after holding a mass on the grounds of the airport in Freiburg, southern Germany, on September 25, 2011, on the last day of the Pontiff's first state visit to his native Germany. The 84-year old pope, German born Joseph Ratzinger, had a packed program, with 18 sermons and speeches planned for his four-day trip to Berlin, Erfurt in the ex-German Democratic Republic and Freiburg. AFP PHOTO / PATRICK HERTZOG