Detail of the King's Men, a stone circle dating from about 2500-2000 BC. It is almost perfectly round and has a diameter of 104 ft (33 m). Originally, there may have been as many as 105 stones, but today there are 77 stones. Over a third of the stones were put back in place during the site's restoration in 1882. The stones are of heavily-weathered local oolotic limestone. Rollright Stones, Oxfordshire, England.