Britain's King Charles III listens to speeches during his visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron delivers a speech next to Britain's King Charles III, French politician and civil servant Sylvie Goulard (L), UK Secretary of State for Energy Security and Net Zero Claire Coutinho (2nd L), French Minister for Energy Transition Agnes Pannier-Runacher (3rd L) during a visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron (not pictured) visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III listens to speeches during his visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron (not pictured) visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron and Britain's King Charles III applaud as they listen to speeches during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III listens to speeches during his visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III listens to speeches during his visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III listens to speeches during his visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron and Britain's King Charles III look on during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron and Britain's King Charles III look on during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron and Britain's King Charles III look on during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III and French President Emmanuel Macron visit the Jardin des Plantes' tropical greenhouse as part of their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III listens to French President Emmanuel Macron (not pictured) as he delivers a speech during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

Britain's King Charles III looks on during his visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron delivers a speech next to Britain's King Charles III during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron shakes hands with Britain's King Charles III during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron delivers a speech next to Britain's King Charles III during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron delivers a speech next to Britain's King Charles III (R), UK Secretary of State for Energy Security and Net Zero Claire Coutinho (2nd L), French Minister for Energy Transition Agnes Pannier-Runacher (3rd L) during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron and Britain's King Charles III laugh during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron speaks with Britain's King Charles III during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron shakes hands with Britain's King Charles III during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron and Britain's King Charles III laugh during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

French President Emmanuel Macron shakes hands with Britain's King Charles III during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS POOL/Pool via REUTERS 

French President Emmanuel Macron and Britain's King Charles III laugh during their visit to the Museum of Natural History to meet business leaders and talk about biodiversity, in Paris on September 21, 2023. Britain's King Charles III and his wife Queen Camilla are on a three-day state visit starting on September 20, 2023, to Paris and Bordeaux, six months after rioting and strikes forced the last-minute postponement of his first state visit as king. LUDOVIC MARIN/Pool via REUTERS 

Geologist of the Natural History Museum of the Lesbos Petrified Forest Olga Tsalkitzi talks to visitors next to a fossilised log, at a part of the Lesbos Petrified Forest, a UNESCO Global Geopark, on the islet of Nisiopi, off the island of Lesbos, Greece, August 31, 2023. REUTERS/Elias Marcou 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A fossil of Perucetus colossus, a primitive cetacean of the Basilosauridae group that inhabited the coasts of Peru during the middle Eocene, about 39 million years ago, was discovered by researchers from a Peruvian university, and is presented to the public at the Natural History Museum of Lima, Peru, August 2, 2023. REUTERS/Sebastian Castaneda 

A view shows a detail of the almost 100-year-old and one of the most popular exhibits of Frankfurt's Senckenberg Natural History Museum, an anaconda devouring a capybara, ahead of its restoration, in Frankfurt, Germany July 4, 2023. REUTERS/Timm Reichert 

Udo Becker, zoological taxidermist of Frankfurt's Senckenberg Natural History Museum, stands next to one of the museum's public favourites, the almost 100-year-old exhibit of anaconda devouring a capybara, that will be restored over the next few weeks, in Frankfurt, Germany July 4, 2023. REUTERS/Timm Reichert 

Udo Becker, zoological taxidermist of Frankfurt's Senckenberg Natural History Museum, stands next to one of the museum's public favourites, the almost 100-year-old exhibit of anaconda devouring a capybara, that will be restored over the next few weeks, in Frankfurt, Germany July 4, 2023. REUTERS/Timm Reichert 

Udo Becker, zoological taxidermist of Frankfurt's Senckenberg Natural History Museum, stands next to one of the museum's public favourites, the almost 100-year-old exhibit of anaconda devouring a capybara, that will be restored over the next few weeks, in Frankfurt, July 4, 2023. REUTERS/Timm Reichert 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology holds a jar of sea urchins at an archive in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology is photographed next to a dead black sea urchin during an interview at a laboratory in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology speaks with his research team at a laboratory in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology inspects a specimen using a microscope at a laboratory in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology holds a jar of sea urchins at an archive in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology holds a dead black sea urchin at a laboratory in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

A dead black sea urchin is displayed at a laboratory in Tel Aviv University's Steinhardt Museum of Natural History in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology holds a dead black sea urchin at a laboratory in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Dr. Omri Bronstein of Tel Aviv University's Steinhardt Museum of Natural History and School of Zoology holds a dead black sea urchin at a laboratory in Tel Aviv, Israel May 23, 2023. REUTERS/Corinna Kern 

Museum visitors walk beneath the skeleton of Patagotitan mayorum as it goes on display as part of the new 'Titanosaur: Life as the Biggest Dinosaur' exhibit at Natural History Museum in London, Britain April 1, 2023. REUTERS/Maja Smiejkowska 

Museum visitors walk beneath the skeleton of Patagotitan mayorum as it goes on display as part of the new 'Titanosaur: Life as the Biggest Dinosaur' exhibit at Natural History Museum in London, Britain April 1, 2023. REUTERS/Maja Smiejkowska 

Museum visitors walk beneath the skeleton of Patagotitan mayorum as it goes on display as part of the new 'Titanosaur: Life as the Biggest Dinosaur' exhibit at Natural History Museum in London, Britain April 1, 2023. REUTERS/Maja Smiejkowska 

A pre-historic cachalot fossil discovered by researchers of a Peruvian university is presented to the public at the Natural History Museum in Lima, Peru February 15, 2023. REUTERS/Sebastian Castaneda