EDINBURGH, SCOTLAND - JULY 03:  Queen Elizabeth II inspects the guard of honour, Balaklava Company, The Argyll and Sutherland Highlanders, 5th Battalion The Royal Regiment of Scotland during the traditional Ceremony of the Keys at Holyroodhouse on July 3, 2017 in Edinburgh, Scotland. The Queen will undertake various engagements in Edinburgh during the annual 'Holyrood week'.  (Photo by Jeff J Mitchell/Getty Images)