Hello Dubai

Boom town, modern marvel, commercial hub, where middle-east meets wealthy west, playground for tourists, crawling with ex-pats, built by Indians, owned by Arabs, Dubai has risen from next to nothing to an awful lot in little more than thirty years. How? And can it go on? Has it sold itself to the corporate dollar? Is it anything more than a mall in the desert? Will the sands return? Joe Bennett goes to find out.