A group of photos of Liu Duanduan - the brother who overcomes all obstacles - from the fourth issue are shared with everyone. Liu Duanduan, born in Beijing, is an actor, singer, and music composer in Mainland China. He graduated from the Central Academy of Drama with a bachelor's degree in acting and worked at the National Drama Theater of China.hospital.Duan brother Liu Duanduan, who was rehearsing hard, played with the pads, which touched my heart!