Pope Benedict XVI (L) and Bishop of Erfurt Joachim Wanke (C) leave the Cathedral in Erfurt, eastern Germany, on September 23, 2011, on the second day of the Pontiff's 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 trip to Berlin, Erfurt in the ex-German Democratic Republic and Freiburg. AFP PHOTO / FRANK AUGSTEIN