Tower officials assemble for the ceremony of Beating the Bounds. Lord Methuen, Constable of the Tower, Colonel Rutherford, Medical Officer and Lietuenant Colonel Burges, Major of the Tower. The ceremony dates back to 1381 when official inspections were made of the boundary stones marking the Tower's jurisdiction. Every third year, on Ascension Day, the Tower's authority is re-asserted as Yeoman Warders and local school children, process around the edges of the Tower, beating the boundary stones with willow wands