The artists of the Chinese Northern Kunqu Opera Theater perform in the classic piece of Kunqu Opera "Dou E Yuan" at the Austrian Academy of Sciences in Vienna, capital of Austria, Nov. 24, 2011. The Chinese Northern Kunqu Opera Theater was invited to give a comprehensive view of Kunqu Opera to the Austrian lovers of the drama, through seminars and stage shows. As part of the celebrations for the 40th anniversary of the establishment of the diplomatic relations between Austria and China, the event was jointly organized by the Austrian Academy of Sciences, the Confucius Institute of the University of Vienna and the Vienna Municipal Bureau of Culture.