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by VICTORIA MOORE Last updated at 10:12 01 March 2007 We all know what the world looks like. But a new series of extraordinary maps shows our planet in a very different light. Rather than defining each country by size, these computer-generated modified maps - or cartograms - redraw the globe with each country's size proportionate to its strengths, or weaknesses, in a whole series of categories. For instance, when it comes to military spending, the U.S. appears bloated, but Africa is huge when HIV prevalence is mapped.