(FILES) This file photo taken on March 17, 2016 shows Hollywood star and UN refugee agency envoy Angelina Jolie listening to an aid worker during a visit to the Moria refugee camp on the Greek island of Lesbos. The Greek tourist island of Lesbos was once known to Greeks mainly for its potent ouzo, and to the rest of world as the homeland of Sappho, the seventh century poet who immortalised love for women.But in its new role as the main gateway into Europe for hundreds of thousands of refugees and migrants since last year, Lesbos has also become a base for dozens of aid groups and an obligatory destination for European leaders, prominent artists and now Pope Francis, who is visiting on April 16, 2016. / AFP PHOTO / STRSTR/AFP/Getty Images