Which film was filmed first, Mysterious Castles of Clay or London Can Take It!?
London Can Take It!: London Can Take It! London Can Take It!:  is a short British propaganda film from 1940, which shows the effects of eighteen hours of the German blitz on London and its people. Mysterious Castles of Clay: 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.
London Can Take It!