Why are Harbin, Zhang Qian and Korea so famous? "? The answer is that the role of Zhang Qian is cold-blooded, and his reputation resounds through Seoul. Zhangqian in Harbin is a character in the movie Sin City. Zhang Qian is a cold-blooded character. His fame resounded through Seoul, South Korea. Even the local gangsters have to respect him for three points. Zhang Qian's anti-reconnaissance consciousness is particularly strong and his mind is bright, so the police are helpless to find him. Sin City is an action film directed by Jiang Yuncheng and starring Tong-Seok Ma, Yin Qixiang, Jae-yun Jo and Cui Kuihua. Based on real events, the film tells the story of South Korea's major crimes unit headed by Ma Xidao destroying foreign criminal organizations.