Children cover their faces to protect themselves from dust amid strong winds at a makeshift camp for migrants and refugees at the Greek-Macedonian border near the village of Idomeni on April 20, 2016. (DANIEL MIHAILESCU / AFP/Getty Images)
A man hangs flags outside his family tent at a makeshift camp for migrants and refugees at the Greek-Macedonian border near the village of Idomeni on April 20, 2016. (DANIEL MIHAILESCU / AFP/Getty Images)
A woman sits in her tent as another walks by at the makeshift camp for migrants and refugees at the Greek-Macedonian border near the village of Idomeni on April 19, 2016. (DANIEL MIHAILESCU / AFP/Getty Images)
A child reaches for a shoe outside of a tent in a makeshift camp at the northern Greek border point of Idomeni, Greece, Tuesday, April 19, 2016. (Gregorio Borgia / AP)
