Children walk in an abandoned school used by volunteers for hosting families of refugeees from Syria and Afghanistan in Athens on June 27, 2016. / AFP / ARIS MESSINIS (Photo credit should read ARIS MESSINIS/AFP/Getty Images)
Children walk in an abandoned school used by volunteers for hosting families of refugeees from Syria and Afghanistan in Athens on June 27, 2016. / AFP / ARIS MESSINIS (Photo credit should read ARIS MESSINIS/AFP/Getty Images)