Legend has it that the magician Merlin went with a group of men to Ireland to conquer and rebuild a magic circle of stones called ‘Dance of the Giants’ in England in honor of the dead. That story, written by Geoffrey of Monmouth in the 12th century, was always dismissed as nonsense. But now it seems to contain a bit of truth.

The Stonehenge stone circle was already known to consist of bluestone monoliths originating from a region of Wales that used to be considered Irish. Now, near that ancient quarry in Wales, archaeologists have found a huge stone circle, 110 meters in diameter identical to the moat that surrounds Stonehenge, which aligns with the position of the sun on the summer solstice, much like Stonehenge .

A series of holes corresponding to the circumference of the stone circle and the shape of the Stonehenge stones were also found. One of the holes contains an imprint identical to the unusual shape of one of the Stonehenge stones, which fits “like a key in a lock,” the archaeologists said. In other words, the stone circle was originally located in Wales, it was dismantled there and then rebuilt 225 kilometers beyond where it is now.

“I have been researching Stonehenge for 20 years, and this is truly the most exciting discovery we have made,” Mike Parker Pearson, professor of British history at University College London, told The Guardian. “It’s tempting to believe it, but we may have found the ‘Dance of the Giants’ that Monmouth wrote about.”