The migration that remade Africa

Summary
It's not easy to extract iron from its ore. But the peoples of the ancient city of Great Zimbabwe—the capital of a thriving kingdom in southern Africa between A.D. 1000 and 1700—were masters.
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The migration that remade Africa
It's not easy to extract iron from its ore. But the peoples of the ancient city of Great Zimbabwe—the capital of a thriving kingdom in southern Africa between A.D. 1000 and 1700—were masters.
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