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Iron Age Botswana site sourced copper across southern Africa—but tin from just one place

Around 700 years ago, people living on hilltop settlements on the edge of the Kalahari wore beads, bangles and clips made from metal traded across the southern half of the African continent.

Iron Age Botswana site sourced copper across southern Africa—but tin from just one place

We haven't written up this one. Phys.org has the full story — the link below goes straight to it.

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