"One of the big things they want is, 'Please, please, please, I want to live next door to this family we've been travelling with for a month. Can you arrange that?' That's a big consideration for them," explained Mr. Nicholson. "They're in a strange place, it's new, they'd like to stick together." If they've heard about areas with gang activity that's an obvious negative.

"I think the biggest argument we make with them is, look ... someone else in Amman, Jordan, is stuck there because you're holding up the show."