 It's less than a month now until the Paris Olympics, and things are not looking great for some of the aquatic events. They're probably not smelling great either. Marathon swimming and triathlon are scheduled to take place in the River Seine during the Games, but that may not be possible. Despite having spent the equivalent of more than $2 billion Canadian to clean it up, experts found unsafe levels of E. coli in the river last week for the third week in a row.