Sarah Ewbank spent the last year researching the ancient monument and applying her architectural background to the site to determine what its purpose and form once might have been. She has concluded, based on the layout of the stones, that they were used as support structures for a massive wooden frame that featured a second story for the site as well as an enormous round roof. Ewbank argues that a roof at the monument would allow for it to have been used throughout the year which, she believes, makes more sense that it simply being a religious site used on...