PARIS, July 17 (Xinhua) -- Anne Hidalgo, mayor of Paris, the city that is to host the upcoming Olympic Games, swam on Wednesday in the Seine to assure the cleanliness of the river ahead of the Olympic competitions.
Accompanied by Tony Estanguet, president of the Paris 2024 Organising Committee for the Olympic and Paralympic Games, Hidalgo said that the water was in "rather optimal conditions."
"It's cool
