epa08268588 Migrants clash with Greek police officers as they attempt to cross the closed-off Greek-Turkish border in Kastanies, Greece, 04 March 2020. Thousands of refugees and migrants are gathering on the Turkish side of the border with Greece with the intention of crossing into the European Union following the Turkish government's decision to loosen controls on migrant flows after the death of 33 Turkish soldiers killed in an attack in Idlib, Syria, on 27 February 2020. EPA/DIMITRIS TOSIDIS