Back in 2015, the immigration crisis in Europe was in headlines all over the world. Since then the numbers of people crossing the by sea to the continent has declined from more than 1 million annually to just 126,000 through early September of this year, according to the U.N.'s migration agency. But many problems remain unresolved. Not least for the tens of thousands of migrants who arrived in Europe over the past few years and still find themselves in legal limbo. On this edition of Global