Royal guards march on The Mall on the day of the state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022 REUTERS/Andrew Boyers TPX IMAGES OF THE DAY

Britain's Queen Elizabeth's coffin is carried, on the day of the state funeral and burial of Britain's Queen Elizabeth, at Westminster Abbey in London, Britain, September 19, 2022. REUTERS/Phil Noble/Pool TPX IMAGES OF THE DAY

The hearse carrying the coffin of Britain's Queen Elizabeth is escorted along the Long Walk towards Windsor castle in the funeral procession, on the day of the state funeral and burial of Britain's Queen Elizabeth, in Windsor, Britain, September 19, 2022 REUTERS/Paul Childs TPX IMAGES OF THE DAY

The hearse carrying the coffin of Queen Elizabeth II, top left, arrives at Windsor castle, Britain, Monday, Sept. 19, 2022. The Queen, who died aged 96 on Sept. 8, will be buried at Windsor alongside her late husband, Prince Philip, who died last year. Kirsty Wigglesworth/Pool via REUTERS

The Procession following the coffin of Queen Elizabeth II, aboard the State Hearse, travels up The Long Walk in Windsor on September 19, 2022, making its final journey to Windsor Castle after the State Funeral Service of Britain's Queen Elizabeth II. CARL DE SOUZA/Pool via REUTERS

The coffin of Britain's Queen Elizabeth is transported on the day of her state funeral and burial, in London, Britain, September 19, 2022. REUTERS/Marko Djurica/Pool TPX IMAGES OF THE DAY

WINDSOR, ENGLAND - SEPTEMBER 19: Pall bearers carry the coffin of Queen Elizabeth II with the Imperial State Crown resting on top into St. George's Chapel on September 19, 2022 in Windsor, England. The committal service at St George's Chapel, Windsor Castle, took place following the state funeral at Westminster Abbey. A private burial in The King George VI Memorial Chapel followed. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Jeff J Mitchell/Pool via REUTERS

WINDSOR, ENGLAND - SEPTEMBER 19: Dismounted detachment of the Household Cavalry at Windsor Castle for the Committal Service For Queen Elizabeth II on September 19, 2022 in Windsor, England. The committal service at St George's Chapel, Windsor Castle, took place following the state funeral at Westminster Abbey. A private burial in The King George VI Memorial Chapel followed. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Alex Pantling/Pool via REUTERS

The Bearer Party transfer the coffin of Queen Elizabeth II, draped in the Royal Standard, from the State Gun Carriage of the Royal Navy into the State Hearse at Wellington Arch in London on September 19, 2022, after the State Funeral Service of Britain's Queen Elizabeth II. DANIEL LEAL/Pool via REUTERS

A Royal Guard stands guard on the day of the state funeral and burial of Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, September 19, 2022. REUTERS/Henry Nicholls/Pool TPX IMAGES OF THE DAY

The Ceremonial Procession of the coffin of Queen Elizabeth II travels down the Long Walk as it arrives at Windsor Castle for the Committal Service at St George's Chapel. Picture date: Monday September 19, 2022. Aaron Chown/Pool via REUTERS

The coffin of Britain's Queen Elizabeth is carried through Wellington Arch in the procession on the day of Her state funeral and burial, in London, Britain, September 19, 2022 REUTERS/Toby Melville TPX IMAGES OF THE DAY

Coldstream Guards in formation outside Buckingham Palace pay their respects during the State Funeral of Queen Elizabeth II on September 19, 2022 in London, England. Chip Somodevilla/Pool via REUTERS TPX IMAGES OF THE DAY

The coffin of Queen Elizabeth II, followed by (left to right, from front) King Charles III, the Queen Consort, the Princess Royal, Vice Admiral Sir Tim Laurence, the Duke of York, the Earl of Wessex, the Countess of Wessex, the Prince of Wales, Prince George, Princess Charlotte, the Princess of Wales, the Duke of Sussex, the Duchess of Sussex, Peter Phillips, the Earl of Snowdon, the Duke of Gloucester, the Duke of Kent, and Prince Michael of Kent, is carried by the Bearer Party into the Committal Service for Queen Elizabeth II held at St George's Chapel in Windsor Castle, Berkshire. Picture date: Monday September 19, 2022. Victoria Jones/Pool via REUTERS

Pipers playing while leading the State Hearse carries the coffin of Queen Elizabeth II, draped in the Royal Standard with the Imperial State Crown and the Sovereign's Orb and Sceptre, during the Ceremonial Procession through Windsor Castle to a Committal Service at St George's Chapel. Picture date: Monday September 19, 2022. Jacob King/Pool via REUTERS

Britain's King Charles, Britain's Anne, Princess Royal, Prince Andrew, Duke of York, Prince Edward, Earl of Wessex, Britain's William, Prince of Wales, and Britain's Prince Harry, Duke of Sussex, attend the state funeral and burial of Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, September 19, 2022. REUTERS/Henry Nicholls/Pool TPX IMAGES OF THE DAY

The coffin of Britain's Queen Elizabeth is pulled along The Mall by Royal Navy service personnel during the funeral procession, on the day of the state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022 REUTERS/Andrew Boyers TPX IMAGES OF THE DAY

Members of the Yeomen of the Guard march, on the day of the state funeral and burial of Britain's Queen Elizabeth, outside Westminster Abbey in London, Britain, September 19, 2022. REUTERS/Kai Pfaffenbach

The coffin arrives outside Westminster Abbey on the day of the state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022. REUTERS/Kai Pfaffenbach

The coffin of Britain's Queen Elizabeth makes its way to Westminster Abbey on the day of the state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022 REUTERS/John Sibley

Flowers on the hearse carrying the coffin of Queen Elizabeth II as it arrives at Windsor Castle for the Committal Service in St George's Chapel. Picture date: Monday September 19, 2022. Aaron Chown/Pool via REUTERS