Evening Prayer Service At New York's St. Patrick's Cathedral Led By Pope Francis [Getty Images]

NEW YORK, NY - SEPTEMBER 24: Pope Francis greets guests upon his arrival at Saint Patrick's Cathedral to lead evening Vespers on September 24, 2015 in New York City. The pope is on a six-day visit to the U.S., with stops in Washington, New York City and Philadelphia. (Photo by Robert Deutsch-Pool/Getty Images)

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