A Syrian refugee girl covers herself with a blanket as she stands outside tents at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. Lebanon enforced new immigration controls at the Syrian border on Monday in a move to gain control of the steady stream of refugees from its much larger neighbour. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee collects plastic bags to burn to warm her tent because she says she doesn't have money to buy wood or fuel at a Syrian refugee camp, in Deir Zannoun village, Bekaa valley, Lebanon, Monday, January 5, 2015. A snow storm is expected to hit Lebanon Monday affecting Syrian refugees, many of whom live in tents without proper heating. The government estimates there are about 1.5 million Syrians in Lebanon, about one-quarter of the total population. (Photo by Hussein Malla/AP Photo)

A general view shows the Masnaa border crossing between Lebanon and Syria January 5, 2015. (Photo by Mohamed Azakir/Reuters)

Syrian refugee children sit on the ground inside their tent home as they take their dinner at a Syrian refugee camp, in Deir Zannoun village in the Bekaa valley, eastern Lebanon, on Monday, January 5, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian refugee girl walks outside tents at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee girl looks out from a tent at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

Syrian refugee boys carry wood to be used for heating at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

Lebanon's General Security officers inspect a UNHCR vehicle coming from Syrian at the Masnaa border crossing between Lebanon and Syria January 5, 2015. Lebanon enforced new immigration controls at the Syrian border on Monday in a move to gain control of the steady stream of refugees from its much larger neighbour. Shopkeepers and taxi drivers on the Lebanon side of the Masnaa border crossing said thousands of Syrians crossed the frontier on Sunday before the rules were implemented at midnight. On Monday, the border was quiet. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee splits wood as he prepares for the possibility of a snow storm at a Syrian refugee camp, in Deir Zannoun village, Bekaa valley, Lebanon, on Monday, January 5, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian refugee girl sits with her brother at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee boy stands in a pool of water as he looks at others outside tents at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

A Syrian refugee boy carries a gas canister on a motorcycle near a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

Syrian refugees walk along a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

Mona (C), a Syrian refugee woman, sits beside her newborn twins inside a tent at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. (Photo by Mohamed Azakir/Reuters)

Umm Ali's children who fled the violence in the northern Syrian city of Aleppo, play at the entrance of their tent at an unofficial refugee camp in Jabaa, a village in the Bekaa Valley in Lebanon on December 20, 2014. With just blankets to shield them against the icy wind and rain tens of thousands of Syrian refugees in Lebanon are inadequately equipped to cope as winter sets in. (Photo by Anwar Amro/AFP Photo)

A Syrian woman, left, covers some of her belongings, as sand bags are seen set around her tent to protect it from flooding, in preparation for the possibility of a snow storm at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

Syrian children walk between their tents at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

Syrian chilren gather outside their tents at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. A snow storm is expected to hit Lebanon affecting Syrian refugees, many of whom live in tents without heating. The government estimates there are about 1.5 million Syrians in Lebanon, about one-quarter of the total population. (Photo by Hussein Malla/AP Photo)

A Syrian barber cuts the hair a of boy, inside his small shop at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian woman collects firewood outside of her tent in preparation for the possibility of a snow storm at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian man fixes a TV satellite outside of his tent at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian woman lights a stove inside her tent at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian girl eats a sandwich as others fill water containers at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian boy chops scrap wood outside of his tent in preparation for the possibility of a snow storm at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

Syrian boy peeks outside of his tent at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian woman hangs her laundry at a refugee camp in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)

A Syrian girl carries water on her head at a refugee camp, in Deir Zannoun village, Bekaa valley, Lebanon, Tuesday, January 6, 2015. (Photo by Hussein Malla/AP Photo)