Mysterious Castles of Clay is a 1978 film about a termite colony; filmed in Kenya by film-makers Joan and Alan Root, and narrated by Orson Welles. It was nominated for an Academy Award for Best Documentary Feature and received a Peabody Award. 1979 51届奥斯卡最佳纪录片提名,Alan & Joan Root导演非洲野生动物题材纪录片,Orson Welles解说,精心构建/跟拍的蚁穴被食蚁兽(?)毁于一旦,自然法则的记录是影片真实的力量