FILE PHOTO: Britain's Queen Elizabeth II smiles during a visit to open the Sainsbury Laboratory for Plant Sciences in the University of Cambridge Botanic Garden, in Cambridge, England, Britain, April 27, 2011. REUTERS/Andrew Winning/File Photo

Members of royal household staff post a notice on the gates of the Buckingham Palace announcing the death of Queen Elizabeth II in London, Britain September 8, 2022. Victoria Jones/Pool via REUTERS

U.S. President Joe Biden and first lady Jill Biden deliver flowers as they visit the British Embassy to pay respect after Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades, died aged 96, in Washington, U.S., September 8, 2022. REUTERS/Evelyn Hockstein

People react outside the Buckingham Palace, after Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades, died aged 96, according to Buckingham Palace, in London, Britain September 8, 2022. REUTERS/Henry Nicholls

An Union Jack flag flies at half mast at Buckingham Palace, after Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades, died aged 96, according to Buckingham Palace, in London, Britain September 8, 2022. REUTERS/Toby Melville

A man gestures towards an image of Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades displayed after she died aged 96, at the train station in Northampton, Britain September 8, 2022. REUTERS/Andrew Boyers

Canada’s Prime Minister Justin Trudeau gives a statement regarding the death of Britain's Queen Elizabeth after a cabinet retreat in Vancouver, British Columbia, Canada September 8, 2022. REUTERS/Jennifer Gauthier

A person poses for a picture with a British flag that has Queen Elizabeth’s photograph, outside a restaurant in New York, U.S., September 8, 2022. REUTERS/Amr Alfiky

First Minister of Scotland Nicola Sturgeon reads a statement at Bute House, following the announcement of the death of Queen Elizabeth II, in Edinburgh, Scotland, Britain September 8, 2022. Jane Barlow/Pool via REUTERS

Flowers are laid outside the British Embassy, following the announcement of the death of Queen Elizabeth, in Washington, U.S., September 8, 2022. REUTERS/Tom Brenner

The rear window of a cab with the image of Queen Elizabeth on it, is pictured parked near the Buckingham Palace as people gather after Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades, has died aged 96, in London, Britain September 8, 2022. REUTERS/Peter Nicholls

A mourner holds a candle at the Queen Victoria memorial after Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades, has died aged 96, in London, Britain September 8, 2022. REUTERS/Peter Nicholls

A tribute to Queen Elizabeth appears on the screen of the Nasdaq MarketSite billboard, after Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades, died aged 96, according to Buckingham Palace, in Times Square, in New York, U.S., September 8, 2022. REUTERS/Andrew Kelly

The news of Queen Elizabeth's death is reported on the Fox News ticker at the News Corporation building, in Manhattan, in New York, U.S., September 8, 2022. REUTERS/Andrew Kelly

Workers prepare Australian flags to fly at half staff outside Parliament House following the death of Queen Elizabeth II, in Canberra, Australia, September 9, 2022. AAP Image/Lukas Coch via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. NO RESALES. NO ARCHIVE. AUSTRALIA OUT. NEW ZEALAND OUT