Handout picture released by the City Government of Buenos Aires, showing Pope Francis (L) greeting Buenos Aires Mayor Mauricio Macri (C), his wife Juliana Awada and their daughter Antonia, during a private audience in Vatican City on September 19, 2013. AFP PHOTO / GCBA / Antonello Nusca --- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / GCBA / Antonello Nusca " - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS / AFP / GCBA / Antonello Nusca