WHAT HAPPENED ON SEPTEMBER 11 is an HBO Family documentary introducing the events of 9-11 to a young audience. Directed and produced by Amy Schatz. Produced by HBO in association with the 9-11 Tribute Museum. 译文(2): 9月11日发生的事情是一部 HBO 家庭纪录片，向年轻观众介绍了9-11事件。导演，制片 Amy Schatz。由 HBO 与9-11纪念博物馆联合制作。
