Britain's Queen Elizabeth meets Qatar's Emir Sheikh Tamim bin Hamad al Thani at Windsor Castle, in Windsor, Britain May 24, 2022. Steve Parsons/Pool via REUTERS 

Britain's Queen Elizabeth meets Qatar's Emir Sheikh Tamim bin Hamad al Thani at Windsor Castle, in Windsor, Britain May 24, 2022. Steve Parsons/Pool via REUTERS 

Britain's Queen Elizabeth meets Qatar's Emir Sheikh Tamim bin Hamad al Thani at Windsor Castle, in Windsor, Britain May 24, 2022. Steve Parsons/Pool via REUTERS 

A person views a floral representation of Britain's Queen Elizabeth, which forms part of the Chelsea In Bloom festival running at the same time as Chelsea Flower Show in London, Britain, May 24, 2022. REUTERS/Toby Melville 

Detail is pictured on a floral representation of Britain's Queen Elizabeth, which forms part of the Chelsea In Bloom festival running at the same time as Chelsea Flower Show in London, Britain, May 24, 2022. REUTERS/Toby Melville 

People view a floral representation of Britain's Queen Elizabeth, which forms part of the Chelsea In Bloom festival running at the same time as Chelsea Flower Show in London, Britain, May 24, 2022. REUTERS/Toby Melville 

People shield from the rain as they walk past a floral representation of Britain's Queen Elizabeth, which forms part of the Chelsea In Bloom festival running at the same time as Chelsea Flower Show in London, Britain, May 24, 2022. REUTERS/Toby Melville 

A person photographs a floral representation of Britain's Queen Elizabeth, which forms part of the Chelsea In Bloom festival running at the same time as Chelsea Flower Show in London, Britain, May 24, 2022. REUTERS/Toby Melville 

A team of workers add the final parts to the Queen's Green Canopy ahead of the Platinum Jubilee in London, Britain, May 24, 2022. REUTERS/Peter Nicholls/Pool 

A team of workers add the final parts to the Queen's Green Canopy ahead of the Platinum Jubilee in London, Britain, May 24, 2022. REUTERS/Peter Nicholls/Pool 

A team of workers waits to add the final parts to the Queen's Green Canopy ahead of the Platinum Jubilee in London, Britain, May 24, 2022. REUTERS/Peter Nicholls/Pool 

A team of workers add the final parts to the Queen's Green Canopy ahead of the Platinum Jubilee in London, Britain, May 24, 2022. REUTERS/Peter Nicholls/Pool 

A team of workers add the final parts to the Queen's Green Canopy ahead of the Platinum Jubilee in London, Britain, May 24, 2022. REUTERS/Peter Nicholls/Pool 

A team of workers add the final parts to the Queen's Green Canopy ahead of the Platinum Jubilee in London, Britain, May 24, 2022. REUTERS/Peter Nicholls/Pool 

Qatar's Emir Sheikh Tamim bin Hamad al Thani speaks to British Prime Minister Boris Johnson (not pictured) at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

British Prime Minister Boris Johnson walks in for his meeting with Qatar's Emir Sheikh Tamim bin Hamad al Thani at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

British Prime Minister Boris Johnson listens to Qatar's Emir Sheikh Tamim bin Hamad al Thani (not pictured) at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

British Prime Minister Boris Johnson listens to Qatar's Emir Sheikh Tamim bin Hamad al Thani (not pictured) at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

Aircrafts take part in a flypast rehearsal, ahead of the Queen's Platinum Jubilee, over RAF Cranwell in Lincolnshire, Britain, May 24, 2022. REUTERS/Lee Smith 

Britain's Prince Charles, in his role as Great Master of the Honourable Order of the Bath, attends the Order of the Bath service at Westminster Abbey, London, Britain May 24, 2022. Daniel Leal/Pool via REUTERS 

Royal Air Force (RAF) aircrafts take part in a flypast rehearsal, ahead of the Queen's Platinum Jubilee, over RAF Cranwell in Lincolnshire, Britain, May 24, 2022. REUTERS/Lee Smith 

British Prime Minister Boris Johnson speaks to Qatar's Emir Sheikh Tamim bin Hamad al Thani (not pictured) at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

Britain's Prince Charles, in his role as Great Master of the Honourable Order of the Bath, attends the Order of the Bath service at Westminster Abbey, London, Britain May 24, 2022. Daniel Leal/Pool via REUTERS 

British Prime Minister Boris Johnson listens to Qatar's Emir Sheikh Tamim bin Hamad al Thani at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

British Prime Minister Boris Johnson makes opening remarks with Qatar's Emir Sheikh Tamim bin Hamad al Thani at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

British Prime Minister Boris Johnson listens to Qatar's Emir Sheikh Tamim bin Hamad al Thani (not pictured) at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

British Prime Minister Boris Johnson makes opening remarks with Qatar's Emir Sheikh Tamim bin Hamad al Thani at the start of their meeting at 10 Downing Street, in London, Britain May 24, 2022. Matt Dunham/Pool via REUTERS 

Stony Stratford is decked out in Union Jack flags and bunting ahead of planned celebrations for the Queen's Platinum Jubilee, in Britain May 24, 2022. REUTERS/Andrew Couldridge 

Stony Stratford is decked out in Union Jack flags and bunting ahead of planned celebrations for the Queen's Platinum Jubilee, in Britain May 24, 2022. REUTERS/Andrew Couldridge 

Stony Stratford is decked out in Union Jack flags and bunting ahead of planned celebrations for the Queen's Platinum Jubilee, in Britain May 24, 2022. REUTERS/Andrew Couldridge 

Stony Stratford is decked out in Union Jack flags and bunting ahead of planned celebrations for the Queen's Platinum Jubilee, in Britain May 24, 2022. REUTERS/Andrew Couldridge 

People walk past a shop window displaying photographs ahead of planned celebrations for the Queen's Platinum Jubilee in Stony Stratford, Britain May 24, 2022. REUTERS/Andrew Couldridge 

A Royal Air Force (RAF) aircraft takes part in a flypast rehearsal, ahead of the Queen's Platinum Jubilee, over RAF Cranwell in Lincolnshire, Britain, May 24, 2022. REUTERS/Lee Smith 

Stony Stratford is decked out in Union Jack flags and bunting ahead of planned celebrations for the Queen's Platinum Jubilee, in Britain May 24, 2022. REUTERS/Andrew Couldridge 

A women walks past a shop window that has been decorated ahead of planned celebrations for the Queen's Platinum Jubilee in Stony Stratford, Britain May 24, 2022. REUTERS/Andrew Couldridge 

Photographs are displayed in a shop window ahead of planned celebrations for the Queen's Platinum Jubilee in Stony Stratford, Britain May 24, 2022. REUTERS/Andrew Couldridge 

A decorated shop window is shown ahead of planned celebrations for the Queen's Platinum Jubilee in Stony Stratford, Britain May 24, 2022. REUTERS/Andrew Couldridge 

A women walks past a shop window in Stony Stratford that has been decked out in Union Jack flags and bunting ahead of planned celebrations for the Queen's Platinum Jubilee, in Britain May 24, 2022. REUTERS/Andrew Couldridge 

Stony Stratford is decked out in Union Jack flags and bunting ahead of celebrations for the Queen's Platinum Jubilee in Stony Stratford, Britain May 24, 2022. REUTERS/Andrew Couldridge 

Stony Stratford is decked out in Union Jack flags and bunting ahead of celebrations for the Queen's Platinum Jubilee in Stony Stratford, Britain May 24, 2022. REUTERS/Andrew Couldridge 

A women walks past a shop window displaying photographs ahead of celebrations for the Queen's Platinum Jubilee in Stony Stratford, Britain May 24, 2022. REUTERS/Andrew Couldridge 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, speaks to Dr. Nicos Fotiadis as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, waves after visiting the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, leaves after visiting the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, speaks to staff as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, waves to staff as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, meets staff as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, meets staff as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, meets staff as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, looks at a screen to follow the robotic microwave ablation procedure as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

West Ham United's Kurt Zouma leaves Thames Magistrates Court in London, Britain, May 24, 2022. REUTERS/Matthew Childs 

Yoan Zouma brother of West Ham United's Kurt Zouma leaves Thames Magistrates Court in London, Britain, May 24, 2022. REUTERS/Matthew Childs 

West Ham United's Kurt Zouma leaves Thames Magistrates Court in London, Britain, May 24, 2022. REUTERS/Matthew Childs 

West Ham United's Kurt Zouma leaves Thames Magistrate court in London, Britain, May 24, 2022. REUTERS/Matthew Childs 

West Ham United's Kurt Zouma leaves Thames Magistrate court in London, Britain, May 24, 2022. REUTERS/Matthew Childs 

British Prime Minister Boris Johnson awaits the Qatar's Emir Sheikh Tamim bin Hamad al Thani at Downing Street in London, Britain May 24, 2022. REUTERS/Toby Melville 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, looks at a screen to follow the robotic microwave ablation procedure as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, washes his hands to prepare to view a robotic microwave ablation procedure as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS 

Britain's Prince William, President of The Royal Marsden NHS Foundation Trust, looks at a screen to follow the robotic microwave ablation procedure as he visits the Royal Marsden hospital in London, Britain May 24, 2022. Frank Augstein/Pool via REUTERS