Catholic bishop and Chancellor of the Pontifical Academy of Sciences, Argentinian Marcelo Sanchez Sorondo (L), Anglican bishop, Sir David John Moxon (C) and Professor Mahmoud Azab (R), advisor of the Grand Imam of Al Azhar university sign the “Global Freedom Network” agreement between representatives of Catholic church, the Anglican church and Sunni University Al-Azhar to fight against “modern forms of slavery and human trafficking,” as Mining billionaire Andrew “Twiggy” Forrest looks on, on March 17, 2014 at the Vatican. AFP PHOTO / ANDREAS SOLARO (Photo credit should read ANDREAS SOLARO/AFP/Getty Images)