People swim in the Seine river after Mayor Anne Hidalgo swam in the river Wednesday, July 17, 2024 in Paris. After months of anticipation, Anne Hidalgo swam in the Seine Rive, fulfilling a promise she made in January nine days before the opening ceremony of the 2024 Olympics. (AP Photo/Michel Euler)
People swim in the Seine river after Mayor Anne Hidalgo swam in the river Wednesday, July 17, 2024 in Paris. After months of anticipation, Anne Hidalgo swam in the Seine Rive, fulfilling a promise she made in January nine days before the opening ceremony of the 2024 Olympics. (AP Photo/Michel Euler)
Paris Mayor Anne Hidalgo swims in the Seine river Wednesday, July 17, 2024 in Paris. After months of anticipation, Anne Hidalgo swam in the Seine Rive, fulfilling a promise she made in January nine days before the opening ceremony of the 2024 Olympics. (AP Photo/Michel Euler)
Paris Mayor Anne Hidalgo exits the Seine river after a swim, Wednesday, July 17, 2024 in Paris. After months of anticipation, Paris Mayor Anne Hidalgo took a dip in the Seine River on Wednesday, fulfilling a promise she made months ago to show the river is clean enough to host open-swimming competitions during the 2024 Olympics — and the opening ceremony on the river nine days away.(Joel Saget, Pool via AP)
Paris Mayor Anne Hidalgo swims in the Seine river, Wednesday, July 17, 2024 in Paris. After months of anticipation, Paris Mayor Anne Hidalgo took a dip in the Seine River on Wednesday, fulfilling a promise she made months ago to show the river is clean enough to host open-swimming competitions during the 2024 Olympics — and the opening ceremony on the river nine days away.(Joel Saget, Pool via AP)