
Llangorse Lake, near Brecon, has an artificial island or crannog - the only one known in Wales. Made between AD889 and 893, it was the site of a palace of the
kings of Brycheiniog. The Anglo Saxon Chronicle refers to the destruction of a site near Llangorse by an English army in 916AD. On Radio 3's
Twenty Minutes Horatio Clare investigates it's myths and legends.