(C-R) Xiomara and Greg Pirrone worship while watching Pope Francis conduct a papal mass on a jumbotron in Philadelphia, Pennsylvania, September 27, 2015. Pope Francis' admirers from around the world packed into Philadelphia on Sunday for the open-air mass that marked the end of his historic six-day U.S. visit, where they sang, strained to take photos and passed him babies to bless. REUTERS/Mark Makela