(BBC News) The ancestors of the people who built Stonehenge travelled west across the Mediterranean before reaching Britain, a study has shown.
Researchers compared DNA extracted from Neolithic human remains found across Britain with that of people alive at the same time in Europe.
The Neolithic inhabitants were descended from populations originating in Anatolia (modern Turkey) that moved to Iberia before heading north.
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They reached Britain in about 4,000BC.