It's a freshwater loch where the people of Skara Brae could have caught trout and eels. Most Neolithic people built houses with wooden frames. But on the Orkney Islands, there aren't many trees.

N estled in the Orkney Islands of Scotland, Skara Brae is a prehistoric village that has intrigued archaeologists and historians for generations. Built over 5,000 years ago, it predates even the ...