Operation Irini ships are to be deployed off the eastern coast of Libya, where most weapons from Turkey arrive. File photo from 2 May, 2017 | Photo: picture-alliance/German Ministry of Defense
An Afghan artist standing next to a painting | Photo: Ali Rahimi
Somali refugees walking beside a road on the western coast of Hodeidah city, Yemen | Photo: EPA/STRINGER
Pope Francis regularly calls for help for migrants around the world | Photo: Vatican press office
Orphans wearing protective masks at an orphan center in Sanaa | Photo: Picture-alliance/Xinhua/M.Mohammed
Archive photo of refugees fleeing unrest in Libya being given bread at the Libyan and Tunisian border crossing of Ras Jdir, Tunisia, 1 March 2011 | Photo: EPA/Ciro Fusco
Some of the Tunisians trying to cross the border were stranded for weeks | Photo: picture-alliance/ZumaPress
Libyan coast guard vessel returning migrants to Tripoli in 2017 | Photo: picture alliance/M. Ben Khalifa

Militants standing on vehicles with defaced photos of Khalifa Haftar, the commander of the Libyan National Army (LNA) | Photo: EPA/Stringer
A freeze frame from the video in which young Selva laughs together with her father under the Syrian and Russian bombing on Idlib | Photo: ANSA
Syrian refugees flee Idlib, packed into the back of a cart | Photo: Reuters/K.Ashawi
A child at the the al-Hol camp in Syria | Photo: Getty Images