Orders, decorations, and medals of the United Kingdom at each Investiture. The Queen usually conducts the investitures, although the Prince of Wales, The Princess Royal or, more recently, the Duke of Cambridge also hold some investitures on behalf of the Queen. During the ceremony, the Queen enters the ballroom of Buckingham Palace attended by two Gurkha orderly officers, a tradition begun in 1876 by Queen Victoria. On duty on the dais are five members of the Queen's Body Guard of the Yeomen of the Guard, which was created in 1485 by Henry VII; they are the oldest, but not most senior, military corps in the United Kingdom. Four
Palace of Westminster paved over and covered in concrete security blocks ("see security below"). Cromwell Green (also on the frontage, and in 2006 enclosed by hoardings for the construction of a new visitor centre), New Palace Yard (on the north side) and Speaker's Green (directly north of the Palace) are all private and closed to the public. College Green, opposite the House of Lords, is a small triangular green commonly used for television interviews with politicians. The Palace of Westminster contains over 1,100 rooms, 100 staircases and of passageways, which are spread over four floors. The ground floor is occupied by offices, dining