Paris Mayor Anne Hidalgo swam in the Seine River to address pollution concerns ahead of the 2024 Olympic Games. Joined by French Sports Minister Amelie Oudea-Castera and Olympics Organizing Committee President Tony Estanguet, Hidalgo aimed to demonstrate the city’s efforts to improve water quality. Despite a €1.4 billion investment, recent water tests showed poor results, prompting public concern. Hidalgo’s swim underscores ongoing efforts to ensure the river is safe for the upcoming Games.