This story has been archived. Some of the information may have changed since first published. Is that a cork or the top of the Eiffel Tower? Whether the sky is cloudy or bright at the Eiffel Tower, let it rain champagne! Yes, on the southern side of the summit level, tucked away in the former architect’s office, is the Bar à Champagne (really a counter). Mostly the curious stopped by while I was there. Julien, the barman, said that the champagne bar seems to be more active in the evenings. “The bar is a favorite of honeymooners,” he said. “You can tell when they are newlyweds, they eagerly show off…