Zaatari refugee camp in Jordan - home to thousands of Syrians fleeing their war-torn country.<br/> <br />With no end in sight, the UN announced on Sunday that the number of registered Syrian refugees has reached 1.5 million - and is set to double by the end of the year. Syria's population is 23 million.<br/> <br />UNHCR's representative in Jordan, Andrew Harper, said entire towns were fleeing the country.<br/> <br />(SOUNDBITE) (English) UNHCR REPRESENTATIVE TO JORDAN, ANDREW HARPER, SAYING:<br/> <br />"We're seeing that number increase by 10,000 plus per day, and we see no let-up in sight."<br/> <br />Jordan has taken in more than 530,000 refugees since the start of the conflict, with Zaatari camp alone hosting more than 150,000.<br/> <br />The numbers present a huge challenge.<br/> <br />(SOUNDBITE) (English) UNHCR REPRESENTATIVE TO JORDAN, ANDREW HARPER, SAYING:<br/> <br />"We're talking of basically having to provide the necessary means for the population of the size of many countries around the world. It's a disaster, i
