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)
A man wipes his face as he walks past reproductions of artworks decorating the banks of the River Seineat the 2024 Summer Olympics, Tuesday, July 30, 2024, in Paris, France. The men's Olympic triathlon has been postponed over concerns about water quality in Paris' Seine River, where the swimming portion of the race was supposed to take place. (AP Photo/Vadim Ghirda)
A boat sails past reproductions of artworks decorating the banks of the River Seineat the 2024 Summer Olympics, Tuesday, July 30, 2024, in Paris, France. The men's Olympic triathlon has been postponed over concerns about water quality in Paris' Seine River, where the swimming portion of the race was supposed to take place. (AP Photo/ Dar Yasin)