China National Opera Butterfly, Verdi's Requiem as well as Chinese-language opera. In 2008 CNOH toured America with 10 performances of the original creation Farewell My Concubine (modern opera). In the same year CNOH performed Puccini’s Turandot in Cairo Opera House. The repertoire of the company has now expanded to "Madame Butterfly, Eugene Onegin (opera), Carmen (opera), La Traviata, Gianni Schicchi, Turandot, Aida, La Boheme, Rigoletto, The Marriage of Figaro, Otello Cavalleria Rusticana, The Barber of Seville Les Contes d'Hoffmann, Le Roi d'Ys, as well as Chinese-language western-style operas, such as Liu Hulan (opera), Song of the Grasslands, Ayiguli, The Hundredth Bride, Marco Polo
Christianity in the 19th century regulation of working conditions. "Rerum novarum" argued for the establishment of a living wage and the right of workers to form trade unions. Popes have always highlighted the inner link between the Virgin Mary as Mother of God and the full acceptance of Jesus Christ as Son of God. Since the 19th century, they were highly important for the development of mariology to explain the veneration of Mary through their decisions not only in the area of Marian beliefs (Mariology) but also Marian practices and devotions. Before the 19th century, popes promulgated Marian veneration by authorizing new Marian feast days,