Paris implements massive water storage basin to clean up the River Seine for Olympic swimming

French officials inaugurated on Thursday a huge water storage basin meant to help clean up the River Seine, set to be the venue for marathon swimming at the Paris Games and the swimming leg of the Olympic and Paralympic triathlons.

Sports minister Amélie Oudéa-Castéra praised Paris' ability "to provide athletes from all over the world with an exceptional setting on the Seine for their events."

Last year, swimming test events had to be canceled due to poor water quality. One reason...