Bran Ditch
…earthworks in south Cambridgeshire designed to control movement along the ancient Roman roads. The others are Devil's Dyke, Fleam Dyke and Brent Ditch. Black Ditches, Cavenham is a fifth earthwork guarding the ancient Icknield Way and can be found in Suffolk just north west of Bury St Edmunds. Much of the substance of Bran…