Welcome to the story of the Causewayed Enclosure [Windmill Hill, Avebury]. These are quite the monuments. But do we know what they were originally constructed for? Defensive, demarcation, meeting place... lets see if we can find out, as once again I find myself in a ditch. Britain's OLDEST Ancient Monument that Still Confuses us! | 13:17 Paul Whitewick | 177K subscribers | 10,178 views | June 1, 2025