this is azraq camp. it houses another 35,000.thom that these tens of thousands are just a fraction of the more than six million syrians now living as refugees-- most of them for the last four to eight years. and nearly half of all of them are children. so this is the big waterhole. the first thing we noticed when we arrived at azraq camp with our guide, laila hussein of the i.r.c., was the kids. little kids carrying the water. >> laila hussein: yeah. >> stahl: there's no running water here, no indoor plumbing. toilets are outside and shared by six families. the day we visited it was 111 degrees. ask these young fellows if they come to get water every day. >> hussein: they carry the water. >> stahl: you carry? how old are you guys? how old? >> stahl: six. eight! meeting the needs of kids like this... six. ...is not what the humanitarian aid system was set up for. >> david miliband: the humanitarian sector has prided itself on keeping people alive. >> stahl: david miliband is head of the international rescue committee. traditionall