VATICAN CITY, VATICAN - APRIL 27:  Queen Silvia of Sweden, Minister for Children, the Elderly and Gender Equality Ministry of Health and Social Affairs Asa Regner and Princess Madeleine of Sweden  attend the seminar 'Trafficking with a Special Focus on Children' at the Pontifical Academy of Sciences at Casina Pio IV on April 27, 2015 in Vatican City, Vatican.  The purpose of the seminar was to highlight the special situation of children as victims of human trafficking as well as what measures, be it national legislation or international efforts, can be taken to protect better the rights of children.  (Photo by Franco Origlia/Getty Images)