The mysterious origins of the British archaeological site most often associated with the legend of King Arthur have just become even more mysterious.
Archaeologists have discovered the impressive remains of a probable Dark Age royal palace at Tintagel in Cornwall. It is likely that the one-metre thick walls being unearthed are those of the main residence of the 6th century rulers of an ancient south-west British kingdom, known as Dumnonia.
Scholars have long argued about whether King Arthur actually existed or whether he was in reality a legendary character formed through the conflation of a series of separate historical and mythological figures.