Slavery, Isis, beheadings and crucifixions. Just a few of the nightmares Syrian families are fleeing their homes from. In just three days, Turkey took in more Syrian refugees than Europe has in three years. Syria’s neighbouring countries have bore the brunt of the war's effects by taking in millions. But now, they can’t keep up.

More than 1.5 million people live in Manhattan. If this happened to all of them, would you notice?