Pope Benedict XVI salutes worshippers as he leaves after celebrating mass in Paris September 13, 2008. The pope is scheduled to spend two days in Paris before travelling to the pilgrimage site of Lourdes. (UPI Photo/Eco Clement)
Nuns pray as they attend Pope Benedict XVI mass in Paris September 13, 2008. The pope is scheduled to spend two days in Paris before travelling to the pilgrimage site of Lourdes. (UPI Photo/Eco Clement)
Pope Benedict XVI arrives in his popemobile to celebrate mass in Paris September 13, 2008. The pope is scheduled to spend two days in Paris before travelling to the pilgrimage site of Lourdes. (UPI Photo/Eco Clement)
Pope Benedict XVI leaves after celebrating mass in Paris September 13, 2008. The pope is scheduled to spend two days in Paris before travelling to the pilgrimage site of Lourdes. (UPI Photo/Eco Clement)