Photo gallery: The funeral of Her Majesty the Queen

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 KAI PFAFFENBACH

Britain's King Charles and Britain's Anne, Princess Royal attend the state funeral and burial of Britain's Queen Elizabeth, at Parliament Square in London, Britain, September 19, 2022. REUTERS/Sarah Meyssonnier/Pool SARAH MEYSSONNIER

The coffin of Britain's Queen Elizabeth is carried on the day of her state funeral and burial, in London, Britain, September 19, 2022. REUTERS/Hannah McKay/Pool HANNAH MCKAY

Britain's Catherine, Princess of Wales, Britain's Princess Charlotte and Britain's Prince George are greeted by The Reverend Jamie Hawkey, The Right Reverend Anthony Ball and The Venerable Patricia Hillas outside Westminster Abbey on the day of state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022 REUTERS/John Sibley JOHN SIBLEY

People gathered in Hyde Park, on the day of state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022 REUTERS/Jason Cairnduff JASON CAIRNDUFF

Britain's Catherine, Princess of Wales is seen travelling in a car, on the day of the state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022 REUTERS/Peter Cziborra PETER CZIBORRA

British Prime Minister Liz Truss arrives at 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 JOHN SIBLEY

Former prime minister Boris Johnson and his wife Carrie Johnson at the State Funeral of Queen Elizabeth II, held at Westminster Abbey, London. Picture date: Monday September 19, 2022. Dominic Lipinski/Pool via REUTERS POOL

Joe Biden President of United States and his wife Jill Biden attend the funeral of Her Majesty the Queen at Westminster Abbey in London, Britain, Spetember 19, 2022. Geoff Pugh for the Telegraph/Pool via REUTERS POOL

Spain's former King Juan Carlos and Spain's former Queen Sofia arrive to take their seats inside Westminster Abbey in London on September 19, 2022, for the State Funeral Service for Britain's Queen Elizabeth II. - Leaders from around the world will attend the state funeral of Queen Elizabeth II. The country's longest-serving monarch, who died aged 96 after 70 years on the throne, will be honoured with a state funeral on Monday morning at Westminster Abbey. MARCO BERTORELLO/Pool via REUTERS POOL

Spectators are seen on The Mall on the day of the state funeral and burial of Britain's Queen Elizabeth in London, Britain, September 19, 2022 REUTERS/Peter Cziborra PETER CZIBORRA

Gentlemen at Arms, the Queen's bodyguard takes part in the State Funeral Service for Britain's Queen Elizabeth II, at Westminster Abbey in London on September 19, 2022. - Leaders from around the world will attend the state funeral of Queen Elizabeth II. The country's longest-serving monarch, who died aged 96 after 70 years on the throne, will be honoured with a state funeral on Monday morning at Westminster Abbey. BEN STANSALL/Pool via REUTERS POOL

Union Jack flags and a Scots Guard are seen 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 ANDREW BOYERS

Union Jack flags are seen on The Mall, on the day of the state funeral and burial of Britain's Queen Elizabeth, in London, Britain, September 19, 2022 REUTERS/Peter Cziborra PETER CZIBORRA