Chinese film director Zhang Yimou (L, center) and producer Zhang Weiping (R, center) attend the first press conference of the film "Thirteen Girls in Jinling City" in Beijing, capital of China, Dec. 22, 2010. Zhang Weiping, producer of the film, announced that Christian Bale will play a main character in the film. The film will start to shoot in January 2011. [Xinhua/Jin Liangkuai]