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Pope Francis Celebrates Sunday Mass Service At Church Of Sant'Anna

VATICAN CITY, VATICAN - MARCH 17: (EDITORIAL USE ONLY - STRICTLY NO COMMERCIAL OR MERCHANDISING USAGE - BOOKS OUT, BROADCAST OUT, All image rights and copyrights reserved to the photographic Service of L'Osservatore Romano). IMAGE IS NOT LICENSED FOR USAGE BEYOND 60 DAYS OF CREATE DATE. Pope Francis greets an Argentinian priest (R) who works to help children in the streets of Uruguay as he arrives at the Church of Sant'Anna to celebrate Sunday Mass Service on March 17, 2013 in Vatican City, Vatican. The inauguration mass of Pope Francis, the first ever Latin American Pontiff, will be held on March 19, 2013 in Vatican City. (Photo by Servizio Fotografico L'Osservatore Romano via Getty Images)