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
19th century under the Qing Dynasty, in the First Sino-Japanese War. and the understanding of human anatomy and disease prevention took place in the 19th century, and were partly responsible for rapidly accelerating population growth in the western world. Europe's population doubled during the 19th century, from approximately 200 million to more than 400 million. The introduction of railroads provided the first major advancement in land transportation for centuries, changing the way people lived and obtained goods, and fuelling major urbanization movements in countries across the globe. Numerous cities worldwide surpassed populations of a million or more during this century. London became