Opera actress Shao Hong instructs student Zhao Yanyang to gesture in Donglu Elementary School in Zaozhuang city, east China's Shandong Province, March 25, 2016. Opera actors were invited to teach operas to pupils as the World Theatre Day approaches. The World Theatre Day was created in 1961 by the International Theatre Institute. It is celebrated every year on March 27 by theatre companies aournd the world. [Photo/Xinhua]