July 29, 2024, Paris, France: The Seine river in Paris, where concerns about the water quality have forced the cancellation of triathlon swim training session for the Paris 2024 Olympic Games, pictured on Monday 29 July 2024 in Paris, France. Uncertainty surrounds the triathlon races of tomorrow and Wednesday, as water pollution could make swimming unsafe for the athletes. The Games of the XXXIII Olympiad are taking place in Paris from 26 July to 11 August. The Belgian delegation counts 165 athletes competing in 21 sports. (Credit Image: © Jasper Jacobs/Belga via ZUMA Press)