A migrant girl looks through a fence at a makeshift camp at the Greek-Macedonian border, near the village of Idomeni on March 19, 2016 where thousands of migrants and refugees are stranded. Tens of thousands of refugees are trapped in dire conditions after Balkan countries shut their borders, many of them at the overwhelmed border town of Idomeni.Turkish and EU leaders on Friday agreed a "historic" deal for curbing the influx of migrants that has plunged Europe into its biggest refugee crisis since the end of World War II.