https://www.swansea.ac.uk/press-office/news-events/news/2022/09/lost-islands-cited-in-welsh-folklore-and-poetry-are-plausible-new-study-of-coastal-geography-and-a-medieval-map-suggests.php
A Welsh tradition dating to the medieval period of a landscape lost to the sea is plausible, new evidence on the evolution of the coastline of west Wales has...
lost islandswelsh folklorecitedpoetryplausible