VIENNA, AUSTRIA - APRIL 25: A waitress serves coffees and cakes at Cafe Demel on April 25, 2012 in Vienna, Austria. Cafe Demel, which opened its doors about 200 years ago, is one of the many famous, traditional coffee houses in Vienna. UNESCO declared Viennese coffee houses and coffee culture an intangible heritage last year. (Photo by Mathias Kniepeiss/Getty Images)
