A Syrian refugee girl plays outside a tent at a refugee camp in Zahle in the Bekaa valley November 18, 2014. In October, Lebanon, which has the highest per capita concentration of refugees in the world at one in four residents, said it could not cope with more than one million Syrians and has asked for funds to help look after them. (Photo by Mohamed Azakir/Reuters)

Syrian refugees are seen at a refugee camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee girl stands outside a tent at a refugee camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee man reinforces tents at a refugee camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee peels potatoes at a refugee camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee girl carries a bucket of water as she walks past tents at a refugee camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)

Syrian refugees walk at a refugee camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee girl stands outside a tent at a refugee camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)

A garbage filled-area is seen near the tents of Syrian refugees at a camp in Zahle in the Bekaa valley November 18, 2014. (Photo by Mohamed Azakir/Reuters)