A leisure cruiser is seen on the River Thames near Windsor Castle, in Eton, Britain, January 26, 2023. REUTERS/Peter Nicholls 

A man records images of partially submerged vehicles as the River Thames overtops the riverbank at high tide in London, Britain, January 24, 2023. REUTERS/Toby Melville 

A man records images of partially submerged vehicles as the River Thames overtops the riverbank at high tide in London, Britain, January 24, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

A Celtic bronze disc, said to have been found in the river Thames, carrying an estimated value of $200,000 to $300,000, is seen at Sotheby's in New York City, U.S., January 20, 2023. REUTERS/Shannon Stapleton 

People stand on the bank of the River Thames with the City of London financial district in the background, in London, Britain, January 13, 2023. REUTERS/Henry Nicholls 

People sit alongside the bank of the River Thames with the City of London financial district in the background, in London, Britain, January 13, 2023. REUTERS/Henry Nicholls 

People walk along the bank of the River Thames with the City of London financial district in the background, in London, Britain, January 13, 2023. REUTERS/Henry Nicholls 

People stand on the bank of the River Thames with the City of London financial district in the background, in London, Britain, January 13, 2023. REUTERS/Henry Nicholls 

People stand on the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

People walk along the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

A person feeds swans and other birds on the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

A person feeds swans and other birds on the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

A person looks towards the City of London financial district while stood on the bank of the River Thames in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

People stand on the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls TPX IMAGES OF THE DAY 

People stand on the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

People stand on the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

People look towards the City of London financial district while stood on the bank of the River Thames in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

People take a selfie next to the bank of the River Thames, with the City of London financial district in the background, in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

People look towards the City of London financial district while stood on the bank of the River Thames in London, Britain, January 2, 2023. REUTERS/Henry Nicholls 

A man crosses the Millenium Bridge over the River Thames in London, Britain, December 23, 2022. REUTERS/Toby Melville 

People cross the Millenium Bridge over the River Thames in London, Britain, December 23, 2022. REUTERS/Toby Melville 

The river Thames and the City of London seen at sunrise on December 16, 2022, as the capital of Britain was gripped by cold snap that has seen temperatures dip as low as minus 5 Celsius. REUTERS/Yann Tessier TPX IMAGES OF THE DAY 

The river Thames and the City of London seen at sunrise on December 16 2022, as the capital of Britain was gripped by cold snap that has seen temperatures dip as low as minus 5 Celsius. REUTERS/Yann Tessier 

The river Thames and the City of London seen at sunrise on December 16 2022, as the capital of Britain was gripped by cold snap that has seen temperatures dip as low as minus 5 Celsius. REUTERS/Yann Tessier 

A vehicle is driven on a road flooded at high tide beside the river Thames in London, Britain, November 27, 2022. REUTERS/Toby Melville 

People gesture as they walk past a partially submerged vehicle on a road flooded at high tide beside the river Thames in London, Britain, November 27, 2022. REUTERS/Toby Melville 

A vehicle is driven on a road flooded at high tide beside the river Thames in London, Britain, November 27, 2022. REUTERS/Toby Melville 

Cars are partially submerged by high tide on River Thames in London, Britain, November 26, 2022. REUTERS/Lucy Nicholson 

People walk along the River Thames during sunset, with the Houses of Parliament seen in the distance, in London, Britain, October 20, 2022. REUTERS/Henry Nicholls 

A person walks along the River Thames during sunset, with the Houses of Parliament seen in the distance, in London, Britain, October 20, 2022. REUTERS/Henry Nicholls 

A person feeds swans and pigeons on the bank of the River Thames in London, Britain, October 2, 2022. REUTERS/Henry Nicholls 

A person feeds swans and pigeons on the bank of the River Thames in London, Britain, October 2, 2022. REUTERS/Henry Nicholls 

A person feeds swans and pigeons on the bank of the River Thames in London, Britain, October 2, 2022. REUTERS/Henry Nicholls 

A person feeds swans and pigeons on the bank of the River Thames in London, Britain, October 2, 2022. REUTERS/Henry Nicholls 

A person feeds swans and pigeons on the bank of the River Thames in London, Britain, October 2, 2022. REUTERS/Henry Nicholls 

People walk along the bank of the River Thames in London, Britain, October 2, 2022. REUTERS/Henry Nicholls 

A person feeds swans and pigeons on the bank of the River Thames in London, Britain, October 2, 2022. REUTERS/Henry Nicholls 

Members of the public watch a Paddle Board race on the River Thames, whilst in a queue to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 18, 2022. REUTERS/Paul Childs 

Members of the public watch a Paddle Board race on the River Thames, whilst in a queue to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 18, 2022. REUTERS/Paul Childs 

Members of the public watch a Paddle Board race on the River Thames, whilst in a queue to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 18, 2022. REUTERS/Paul Childs 

Police officers patrol River Thames on a boat as people queue to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 18, 2022. REUTERS/ Paul Childs 

People stand in a queue along the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People stand in a queue along the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People stand in a queue along the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People stand in a queue along the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People stand in a queue along the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames, next to the London Eye, to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

A general view of people queuing along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People rest on a bench as others stand in a queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls 

People queue along the South Bank of the River Thames to pay their respects to Britain's Queen Elizabeth following her death, in London, Britain, September 17, 2022. REUTERS/Henry Nicholls