Children cry as migrants waiting on the Greek side of the border break through a cordon of Macedonian special police forces to cross into Macedonia, near the southern city of Gevgelija, The Former Yugoslav Republic of Macedonia, 21 August 2015. Macedonian police clashed with thousands of migrants attempting to break into the country after being stranded in no-man's land overnight, marking an escalation of the European refugee crisis for the Balkan country. EPA/GEORGI LICOVSKI
Migrants help to lift a child through the window of a train heading to the Serbian border at the train station in Gevgelija, The Former Yugoslav Republic of Macedonia, 13 August 2015. From the beginning of the year to mid-June 2015, nearly 160,000 migrants landed in the southern European countries, mainly Greece and Italy, on their way to wealthier countries in Western and Northern Europe, according to estimates by the International Organization for Migration (IOM). EPA/GEORGI LICOVSKI
Migrants rest as they wait for Macedonian officials to allow them onto a train at the train station in the southern city of Gevgelija, The Former Yugoslav Republic of Macedonia, 21 August 2015. Macedonian police clashed with Middle Eastern refugees 21 August to stop them from crossing the border with Greece, local media reported. Thousands of people have been stranded without facilities in the no-man's land between Greece and Macedonia at the Gevgelija border crossing. EPA/GEORGI LICOVSKI
A migrant girl holds her doll as she waits for permission to leave a registration camp and board a train heading to the Serbian border, after they crossed the border between Greece and Macedonia near the city of Gevgelija, The Former Yugoslav Republic of Macedonia, 28 September 2015. Thousands of migrants continue to arrive in Macedonia on their way to EU countries. After Hungary sealed its borders, migrants began taking an alternative route to Western Europe via Croatia. EPA/GEORGI LICOVSKI
A migrant boy is a pushing baby strollers at the registration camp near the city of Gevgelija, The Former Yugoslav Republic of Macedonia, 24 September 2015.Thousands of migrants continue to arrive in Macedonia on their way to EU countries. After Hungary sealed its borders, migrants began taking an alternative route to Western Europe via Croatia. EPA/GEORGI LICOVSKI
Migrant girl reacts after she was injured while breaking through cordon of Macedonian special police forces to cross in Macedonia near southern city of Gevgelija, The Former Yugoslav Republic of Macedonia, 22 August 2015. Macedonian security forces strengthened the barricades along the Greek border 22 August, where thousands of refugees from the Middle East were stranded after a hot day and a rainy, chilly night, local media reported. EPA/GEORGI LICOVSKI
A migrant girl waits for permission to enters the registration camp after she crosses the border between Greece and Macedonia near city of Gevgelija, The Former Yugoslav Republic of Macedonia, 19 October 2015. Thousands of migrants continue to arrive in Macedonia on their way to EU countries. Europe is grappling with the biggest migrant influx since World War II, and more than half of those arriving are estimated to be from Syria. EPA/GEORGI LICOVSKI
A mother is reunited with her child after they were separated a day before when migrants tried to break through a cordon of Macedonian special police forces to cross into Macedonia from Greece, near the southern city of Gevgelija, The Former Yugoslav Republic of Macedonia, 22 August 2015. Macedonian security forces strengthened the barricades along the Greek border 22 August, where thousands of refugees from the Middle East were stranded after a hot day and a rainy, chilly night, local media reported. EPA/GEORGI LICOVSKI
Migrants board a train heading for the Serbian border, near the city of Gevgelija, The Former Yugoslav Republic of Macedonia, 23 September 2015. The Former Yugoslav Republic of Macedonia, 23 September 2015. Thousands of migrants continue to arrive in Macedonia on their way to EU countries. After Hungary sealed its borders, migrants began taking an alternative route to Western Europe via Croatia. EPA/GEORGI LICOVSKI
Migrants children cry after they broke through the cordon of Macedonian special police forces to cross in Macedonia near southern city of Gevgelija, The Former Yugoslav Republic of Macedonia, 21 August 2015. Macedonian police clashed with thousands of migrants attempting to break into the country after being stranded in no-man's land overnight, marking an escalation of the European refugee crisis for the Balkan country. EPA/GEORGI LICOVSKI
A migrant mother holds her child at a registration camp as she waits for a train heading to the Serbian border, near the city of Gevgelija, The Former Yugoslav Republic of Macedonia, 23 September 2015. The Former Yugoslav Republic of Macedonia, 23 September 2015. Thousands of migrants continue to arrive in Macedonia on their way to EU countries. After Hungary sealed its borders, migrants began taking an alternative route to Western Europe via Croatia. EPA/GEORGI LICOVSKI
Migrants children rest in the waiting room at the train station in the Greek-Macedonian border town of Gevgelija, The Former Yugoslav Republic of Macedonia, 04 August 2015. Greece and Italy are the main entry points for Europe-bound asylum seekers and economic migrants. After they have reached the bloc, many start to make their way to wealthier countries in Western Europe. From the beginning of the year to mid-June, nearly 160,000 landed in both countries, according to IOM estimates. EPA/GEORGI LICOVSKI
Migrants rest as they wait for the train heading to the Serbian border at the train station in Gevgelija, The Former Yugoslav Republic of Macedonia, 14 August 2015. The number of migrants passing through Macedonia increases day by day. From the beginning of the year to mid-June 2015, nearly 160,000 migrants landed in the southern European countries, mainly Greece and Italy, on their way to wealthier countries in Western and Northern Europe, according to estimates by the International Organization for Migration (IOM). EPA/GEORGI LICOVSKI
Police officers control the flow of migrants before they enter the registration camp, after they crossed the border between Greece and Macedonia near the city of Gevgelija, The Former Yugoslav Republic of Macedonia, 16 September 2015. Thousands of migrants continue to arrive in Macedonia, on their way to Serbia and EU countries. Hungary on 15 September sealed the last gap in the barricade along its border with Serbia, closing the passage to thousands of refugees and migrants still waiting on the other side. EPA/GEORGI LICOVSKI
Migrants stating to be from Aleppo, Syria, carry a bag with their injured son and board a train heading to the Serbian border, at the train station in the Greek-Macedonian border town of Gevgelija, The Former Yugoslav Republic of Macedonia, 04 August 2015. The son's father claims that hius son's injuries derrive from a chemcial attack. Greece and Italy are the main entry points for Europe-bound asylum seekers and economic migrants. After they have reached the bloc, many start to make their way to wealthier countries in Western Europe. From the beginning of the year to mid-June, nearly 160,000 landed in both countries, according to IOM estimates. EPA/GEORGI LICOVSKI