Introduction by Shinmyo Koshin Since ancient times, humanity has gazed at the Moon and imagined stories. In Japan, we speak of Princess Kaguya, a being from beyond this world. Yet the Moon is not only myth. It is guardian, vault, and teacher. The guardians once told me: ‘The Moon is hollow, alive with rivers and mountains inside. It was placed to shield the … [Read more...] about Is the Moon Hollow? Shinmyo Koshin Reveals the Secret