A Syrian refugee woman walks after receiving humanitarian aid in Darashakran refugee camp, on the outskirts of Arbil
A Syrian refugee woman walks after receiving humanitarian aid in Darashakran refugee camp, on the outskirts of Arbil, in Iraq Kurdistan region, December 28, 2013. REUTERS/Stringer (IRAQ - Tags: POLITICS CONFLICT SOCIETY IMMIGRATION CIVIL UNREST)
A Syrian refugee receives humanitarian aid in Darashakran refugee camp, on the outskirts of Arbil
A Syrian refugee receives humanitarian aid in Darashakran refugee camp, on the outskirts of Arbil, in Iraq Kurdistan region December 28, 2013. REUTERS/Stringer (IRAQ - Tags: POLITICS CONFLICT SOCIETY IMMIGRATION CIVIL UNREST)
Syrian refugee children look from behind fence outside family camp in Darashakran refugee camp, on outskirts of Arbil
Syrian refugee children look from behind a fence outside their family camp in Darashakran refugee camp, on the outskirts of Arbil, in Iraq Kurdistan region, December 28, 2013. REUTERS/ stringer (IRAQ - Tags: POLITICS CONFLICT SOCIETY IMMIGRATION CIVIL UNREST)
Syrian refugees stand in line as they receive humanitarian aid in Darashakran refugee camp, on outskirts of Arbil
Syrian refugees stand in line as they receive humanitarian aid in Darashakran refugee camp, on the outskirts of Arbil in Iraq Kurdistan region December 28, 2013. REUTERS/ stringer (IRAQ - Tags: POLITICS CONFLICT SOCIETY IMMIGRATION CIVIL UNREST)
Men sit next to a street flooded with water in the besieged area of Homs
Men sit next to a street flooded with water in the besieged area of Homs December 24, 2013. Picture taken December 24, 2013. REUTERS/Layth Homsi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Damaged buildings are pictured in the besieged area of Homs
Damaged buildings are pictured in the besieged area of Homs December 24, 2013. Picture taken December 24, 2013. REUTERS/Layth Homsi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Damaged buildings and debris are pictured in the besieged area of Homs
Damaged buildings and debris are pictured in the besieged area of Homs December 24, 2013. Picture taken December 24, 2013. REUTERS/Layth Homsi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Debris fill a street in the besieged area of Homs
Debris fill a street in the besieged area of Homs December 24, 2013. Picture taken December 24, 2013. REUTERS/Layth Homsi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A man walks through a trench in the besieged area of Homs
A man walks through a trench in the besieged area of Homs December 24, 2013. Picture taken December 24, 2013. REUTERS/Layth Homsi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A general view shows a souk that was hit by what activists said was shelling by forces loyal to Syria's President Assad in Tariq Al Bab neighbourhood of Aleppo
A general view shows a souk that was hit by what activists said was shelling by forces loyal to Syria's President Bashar al-Assad in Tariq Al Bab neighbourhood of Aleppo, December 28, 2013. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)