Gordonstoun students in Scotland uncovered altar foundations inside ruins on the deserted island of Swona in Orkney, revealing a likely Viking-era church.
https://www.foxnews.com/travel/1000-year-old-church-mystery-cracked-students-from-king-charles-alma-mater
https://www.foxnews.com/travel/1000-year-old-church-mystery-cracked-students-from-king-charles-alma-mater