This earthwork, had long been known about but until the photograph was taken nobody knew its full extent.
But if comparisons with other sites on the island are correct, this could be one of a small group of pentangular enclosures that date to the middle to late Iron Age.

It lies in a dramatic landscape, rich in archaeology.
Can Time Team date and identify this strange earthwork? Can the Team find evidence of how people lived there? What their houses were like? And how they lived out their daily lives.

Just three days and gale force winds gusting to 48mph was all they had....
But it did provide a very green energy source for some of the equipment...