This handout picture released by the Vatican press office on May 30, 2015, shows Pope Francis during his meeting with boys that participate in the Children's Train event at the Vatican. AFP PHOTO/ OSSERVATORE ROMANO/HO RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OSSERVATORE ROMANO" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS / AFP PHOTO / OSSERVATORE ROMANO / OSSERVATORE ROMANO
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