Queen Elizabeth and Duke of Edinburgh attend annual Commonwealth Day Observance Ceremony

Queen Elizabeth and Duke of Edinburgh attend annual Commonwealth Day Observance Ceremony; General view of congregation with line of people holding Commonwealth flags / Paul Kagame (Rwandan President) along with his wife Jeannette Nyiramongi * * BEWARE FLASH PHOTOGRAPHY * * Prince Charles, Prince of Wales along greeting guests followed by Reverend Dr John Hall, Dean of Westminster / Camilla Parker Bowles, Duchess of Cornwall (wearing purple hat and coat) along greeting guests / Queen Elizabeth II (wearing blue hat and coat) along greeting guests / Prince Philip, Duke of Edinburgh along greeting guests