Syria crisis: Inside a Jordanian refugee camp
14 March 2014 Last updated at 11:35 GMT
More than 2.5 million people have fled Syria since the start of the conflict, most of them women and children.
Neighbouring countries have borne the brunt of the refugee crisis, with Lebanon, Jordan and Turkey struggling to accommodate the flood of new arrivals.
The exodus has accelerated dramatically since the start of 2013, as conditions in Syria have deteriorated drastically.
Yolande Knell reports from the Zaatari refugee camp in Jordan.