Prehistoric Carvings Discovered at 4,000-Year-Old Stone Circle in Ireland

A series of prehistoric carvings was found at the Grange Stone Circle in Lough Gur, County Limerick, Ireland, last month, the Irish government announced in a statement Tuesday. Lighting techniques developed by an archaeological photographer revealed concentric circles and arcs carved along the back and sides of an entrance stone.
Leading Irish archaeological photographer Ken Williams has developed different methods of lighting stones that have allowed him to see more minute details such as the d