Old Map Islands The study was inspired by the Gough map, which depicts two “lost” islands in Cardigan Bay offshore west Wales, United Kingdom. A new study of coastal geography finds that the lost islands mentioned in Welsh folklore and poetry are plausible. New evidence on the evolution of west Wales’ coastline has shown a Welsh tradition going back to the medieval era of a landscape lost to the sea is plausible. The researchers from Swansea University and the University of Oxford suggest how two islands came into being and subsequently vanished using geological data and a medieval map....