Sora no daikaijû Radon (1957) (movie): A mining engineer investigates the death of his fellow coworkers and discovers prehistoric nymphs emerging from the mines. As he heads deeper into the mines, he makes a more horrifying discovery in the form a prehistoric flying cr... Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of Sora no daikaijû Radon (1957) below