 Hollywood. And with the opening of the Summer Olympics in Paris just about a week and a half away, there are still major questions about one of the most iconic venues, the Seine River itself. It is supposed to host a couple of swimming events, but it still is not clear if the river will be clean enough. It has been illegal to swim in the Seine for more than a century. I'm Sherry Preston, ABC News. You can host the best backyard barbecue.