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Pope Francis (C) releases a dove as a symbol of peace during a meeting with Chaldean community at the Catholic Church of St Simon Bar Sabbae in Tbilisi, on September 30, 2016. Pope Francis set off on September 30 for Georgia and Azerbaijan on what Vatican officials billed as a mission to promote peace in a troubled part of the world, three months after he visited neighbouring Armenia. / AFP PHOTO / VINCENZO PINTO