Archaeologists working at Avebury, the Neolithic stone circle in Wiltshire thought to be the world's largest, have uncovered a mysterious square formation at the site's center, according to a report in The Guardian. Using radar technology, a team led by University of Leicester's Mark Gillings uncovered hidden stones marking the footprint of what they believe was a wooden building dating to around 3500 B.C. Gillings and his colleagues have concluded that the square, which measures nearly 100 feet on each side, formed a monument to what must have been a very important structure. The find may also solve a riddle that has challenged researchers since the 1930s, when the marmalade magnate Alexander Keiller conducted major exavations at Avebury. Keiller found several buried standing stones placed in a line leading to an upright obelisk, as well as postholes and grooves indicating the existence of a building.
Gillings now believes that what Keiller assumed to be a medieval structure was in fact the original Neolithic building around which the entire circle developed over centuries.
Kemo D. 7
Credit: Archaeology Magazine