ColumnsHit the RoadHit the Road: The mystery of the Ring of Brodgar in the Scottish IslesE'Louise OndashSeptember 12, 2019September 18, 2019 September 12, 2019September 18, 20190710 The sign at the Ring of Brodgar, a circle of 4,000-plus-year-old upright stones on the Scottish Isle of Orkney, asks for cooperation with rangers who...