Holy Mass is celebrated at St. Peter's Basilica in Rome to close out the mercy congress.Photo by: Felix CarrollPilgrims from Ghana attend Holy Mass at St. Peter's on the closing day of the five-day congress.Photo by: Felix CarrollIn his homily Sunday morning at St. Peter's, Cardinal Christopher Schonborn urges the congress participants to continue their work in spreading the message of The Divine Mercy.Photo by: Felix CarrollOutside in St. Peter's Square, the crowd continues to celebrate the mercy congress as well as the Polish Pope who did so much to spread it.Photo by: Felix CarrollA giant image of The Divine Mercy greets pilgrims at the center of St. Peter's Square, following the closing Mass.Photo by: Felix CarrollIn St. Peter's Square, many believe it's only a matter of time before Pope John Paul II, the "Great Mercy Pope," is raised to the honors of the altar.Photo by: Felix CarrollU.S. Mercy Congress organizers Fr. Matthew Mauriello (right) of the Diocese of Bridgeport, Conn., and Fr. Kaz Chwalek, MIC, to his right, listen in during a post-congress meeting of planners on Sunday.Photo by: Felix CarrollCardinal Christopher Schonborn addresses the post-congress meeting of planners on Sunday. The next stop: bringing the mercy congress to the world.Photo by: Felix Carroll