The Chinese documentary "Hotline Beijing" held its Hollywood premiere in Los Angeles on September 22. Directed by Xu Jieqin and produced over ten months with more than 280 hours of footage. The film chronicles Beijing's reform on the "Swift Response to Public Complaints." Through real stories and sincere emotions, it paints a heartwarming portrait of urban life while showcasing Chinese wisdom in modern city governance. U.S. filmmakers praised the film highly.