Bishops stand in front of the Shroud of

Bishops stand in front of the Shroud of Turin at the end of a mass celebrated by Turin Cardinal Severino Poletto (not pictured) to mark the first day of the display in ten years of the relic on April 10, 2010 in the Cathedral of Turin. The mysterious and controversial Shroud of Turin, believed by many to be the burial cloth of Jesus Christ, went on public display Saturday for the first time in a decade with some two million people expected to view it over the next six weeks includng Pope Benedict XVI who will pay homage to the shroud on May 2. AFP PHOTO / VINCENZO PINTO (Photo credit should read VINCENZO PINTO/AFP via Getty Images)