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German pianists Paul Cibis (L) and Andreas Kern interact with the audience during "Piano Battle II", a creative and interactive piano concert, at Beijing Concert Hall in Beijing, capital of China, May 4, 2018. (Xinhua/Li Xin)
German pianists Paul Cibis (L) and Andreas Kern interact with the audience during "Piano Battle II", a creative and interactive piano concert, at Beijing Concert Hall in Beijing, capital of China, May 4, 2018. (Xinhua/Li Xin)