Pakistan, July 6 -- The River Seine reopened to swimmers in Paris on Saturday morning, marking the first time since 1923 that bathers could take a dip in the iconic waterway following a years-long cleanup effort. A few dozen people of all ages arrived ahead of the 8am (0600 GMT) opening of the Bras Marie swimming zone - one of three open in Paris this summer - donning swim caps and goggles as they prepared to dive in and celebrate the long-awaited return of bathing in the Seine. "I thought it would be freezing cold but it's actually great," said Karine, 51, a care worker from southeast of Paris, and one of the first to jump in. The seasonal opening of the Seine for swimming is seen as a key legacy of the Paris 2024 Olympics, when open-water...