"The is a rune circle," he said slowly. Harry flipped to his own copy of the photo to see a strange, almost ceremonial looking circle. It wasn’t particularly clear in the photo, but he could make out: a small circle in the centre surrounded by two other larger rings working outwards, and four lines like spokes on a wheel crossing in the middle and ending in a circle (just big enough for a man to stand in) of their own. If he had to guess from the photo, he’d have said the whole thing was ten to twelve feet in a diameter and seemed to take up almost all of the floor space in the room.