Dmitry Lovetsky / AP
A seagull glides past the chimney on the roof of the Sistine Chapel, in St. Peter's Square at the Vatican, Tuesday, March 12, 2013. The most gazed-at item at the Vatican this week will be a humble, copper, two-meter (six-foot) high chimney that will pipe-out puffs of smoke to tell the world if there's a new pope. Black smoke means "not yet." White smoke means "pope elected."