Archaeological News: Neolithic discovery: why Orkney is the centre of ancient Britain
Drive west from Orkney’s capital, Kirkwall, and then head north on the narrow B9055 and you will reach a single stone monolith that guards the entrance to a spit of land known as the Ness of Brodgar. The promontory separates the island’s two largest bodies of freshwater, the Loch of Stenness…
I find one particular line in the article telling.
The few hunter-gatherers already living on Orkney were replaced and farmsteads were established across the archipelago.
