A detail from the Tulley Lough Cross, an altar cross from 8th or 9th-century Ireland, discovered by divers at the bottom of a small lake. Now housed at the National Museum of Ireland. [390×450]
A detail from the Tulley Lough Cross, an altar cross from 8th or 9th-century Ireland, discovered by divers at the bottom of a small lake. Now housed at the National Museum of Ireland. [390×450]
