German-born Pope Benedict XVI (C) stands next to German President Christian Wulff and his wife Bettina Wulff as he arrives at the Bellevue Palace on September 22, 2011 in Berlin, on the first day of his first state visit to his native Germany. The 84-year old pope, German born Joseph Ratzinger, has a packed program, with 18 sermons and speeches planned for his four-day tri p to Berlin, Erfurt in the ex-German Democratic Republic and Freiburg. AFP PHOTO / POOL / JOHN MACDOUGALL