SkyBlog

The remains of 1,000 massive stone burial sites, mainly from the Neolithic period, are scattered across Ireland. Most of these marvelous structures are over 5,000 years old. They were built out of gigantic stones weighing up to 150 metric tons. How the Irish ancestors transported and manufactured the megaliths is still a mystery that connects them to their past.

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Dr Carles Lalueza-Fox, from the Institute of Evolutionary Biology (CSIC - UPF) in Barcelona, Spain, who was not involved with the research, told BBC News: "If you look at all the reconstructions of Mesolithic people on the internet, they are always depicted as fair skinned. And the farmers are sometimes depicted as dark-skinned newcomers to Europe. This shows the opposite."

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