Migranti zatočeni na grčko-makedonskoj granici

Migrants clean their boots from mud at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants walk in a mud at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants walk in a mud at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants walk in the rain at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants warm themselves by a fire at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants hold the German flag as they protest at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 9, 2016. REUTERS/Stoyan Nenov

Migrants try to prepare a meal during a rainfall at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 9, 2016. REUTERS/Stoyan Nenov

Migrants carry firewood at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 9, 2016. REUTERS/Stoyan Nenov

Migrants and refugees beg Macedonian policemen to allow passage to cross the border from Greece into Macedonia during a rainstorm, near the Greek village of Idomeni, September 10, 2015. REUTERS/Yannis Behrakis SEARCH 'FIVE YEARS SYRIA' FOR ALL IMAGES

Migrants walk in a mud at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 9, 2016. REUTERS/Stoyan Nenov

A migrant shaves the face of another in a makeshift camp, near the Greek village of Idomeni March 2, 2016. The number of migrants awaiting passage to central and northern Europe swelled on Greece's border with Macedonia on Wednesday as the frontier remained shut, adding to a humanitarian crisis and deep fissures within the European Union.REUTERS/Marko Djurica

Migrants who are waiting to cross into Macedonia, sit next to the border fence in a makeshift camp, near the Greek village of Idomeni March 2, 2016. The number of migrants awaiting passage to central and northern Europe swelled on Greece's border with Macedonia on Wednesday as the frontier remained shut, adding to a humanitarian crisis and deep fissures within the European Union.REUTERS/Marko Djurica

Macedonian riot policemen patrol at the Macedonian-Greek border in Gevgelija, Macedonia March 1, 2016. REUTERS/Marko Djurica

Migrants hold up a babies as they look towards Macedonia through the Greek-Macedonian border fence, near the Greek village of Idomenii March 1, 2016. Macedonian police fired teargas to disperse hundreds of migrants who stormed the border from Greece on Monday as a deeply divided Europe traded barbs over the biggest humanitarian crisis in decades. As frustrations boiled over at restrictions imposed on people moving through the Balkans, migrants trapped on the Greece-Macedonia border tore down a metal gate in the barbed wire fence. REUTERS/Marko Djurica

Migrants look towards Macedonia through the Greek-Macedonian border fence, near the Greek village of Idomenii March 1, 2016. Macedonian police fired teargas to disperse hundreds of migrants who stormed the border from Greece on Monday as a deeply divided Europe traded barbs over the biggest humanitarian crisis in decades. As frustrations boiled over at restrictions imposed on people moving through the Balkans, migrants trapped on the Greece-Macedonia border tore down a metal gate in the barbed wire fence. REUTERS/Marko Djurica

Migrants look out fromm their tent at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants rest in a tent at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants walk in a mud at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants walk in a mud at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov

Migrants from Syria warm themselves by fire at a makeshift camp on the Greek-Macedonian border, near the village of Idomeni, Greece March 10, 2016. REUTERS/Stoyan Nenov