A police car is parked as the Alitalia's plane of Pope Benedict XVI takes position on the tarmac before taking off on May 8, 2009 at Fiumicino airport, near Rome. Pope Benedict XVI started a "pilgrimage" to the Holy Land, facing a daunting array of religious and political challenges on the eight-day trip. Getty Images logo Getty Images 6 months ago

A police car is parked as the Alitalia's plane of Pope Benedict XVI takes position on the tarmac before taking off on May 8, 2009 at Fiumicino airport, near Rome. Pope Benedict XVI started a "pilgrimage" to the Holy Land, facing a daunting array of religious and political challenges on the eight-day trip.