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Africa Could See World's First 100 Million City by Century's End

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Africa Could See World's First 100 Million City by Century's End
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We could see the world's first city with a population of 100 million by the end of this century. That's the conclusion of new research into the speed of urbanization in many fast-growing countries in Africa and Asia, which suggests even small cities could balloon into huge metropolises in the coming decades. Henry Ridgwell has more.

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