Article Photos: Now a 'simple pilgrim,' Benedict resigns papacy 12/23

RETRANSMISSION OF SOB103 TO PROVIDE DIFFERENT CROP -- A helicopter with Pope Benedict XVI onboard leaves the Vatican in Rome, Thursday, Feb. 28, 2013. The 85-year-old German Pope Benedict is stepping down on Thursday evening, the first pope to do so in 600 years, after saying he no longer has the mental or physical strength to vigorously lead the world's 1.2 billion Catholics. (AP Photo/Michael Sohn)