Say the word "refugee" and it still conjures up visions of uprooted families who live, for years, in vast camps where humanitarian agencies look after them and they remain largely separate from their so-called host countries.rnThat image is out of date and getting more so all the time, says UNHCR, the United Nations refugee agency. Perhaps half the 10.5m people who fall directly under the organisation's remit (in other words, those who have crossed borders, fearing death or persecution) now live in cities, cheek by jowl with other desperate folk. Refugees, it seems, are just like other human beings: they are trying their luck in the vast conurbations whose growth will continue to be a big social trend in the 21st century.
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