FILE - A worker walks in a tunnel linked to the water storage tank under construction for the Seine River, Nov. 29, 2023, in Paris. (AP Photo/Aurelien Morissard, File)
FILE - The water storage tank is under construction for the Seine River on Nov. 29, 2023, in Paris. (AP Photo/Aurelien Morissard, File)
FILE - Athletes dive into the Seine River from the Alexander III bridge on the start of the first leg of the women's triathlon test event for the 2024 Paris Olympics in Paris, Aug. 17, 2023. (AP Photo/Michel Euler, File)
FILE - Athletes swim in the Seine river on the first leg of the women's triathlon test event for the 2024 Paris Olympics in Paris, Aug. 17, 2023. In 2024. (AP Photo/Michel Euler, File)
FILE - Barges cruise on the Seine River near the Eiffel Tower during a rehearsal for the 2024 Paris Olympic opening ceremony, June. 17, 2024, in Paris. (AP Photo/Thomas Padilla, File)
FILE - A man walks in the Austerlitz wastewater and rainwater storage basin, which is intended to make the Seine River swimmable during the Olympic Games, in Paris, during its inauguration May 2, 2024. (Stephane de Sakutin/Pool Photo via AP, File)
FILE - People sit along the Seine River with stands installed on its banks, July 4, 2024, in Paris. (AP Photo/Thibault Camus, File)