Salvadorean high schoolb student Gerardo Ernesto Mancia, 15, chats with Pope Francis during a videoconference at a schoolroom of the public school in La Campanera, a violent zone dominated by the Barrio 18 gang, 14 km northeast of San Salvador, on September 4, 2014. Mancia, who was chosen to speak with the pontiff because of his good school qualifications, wanted to thank him for struggling in behalf of the poor. AFP PHOTO/MARVIN RECINOS