On July 21, 1969, at 2:56 GMT, "Apollo 11" successfully landed on the moon, and astronaut Armstrong became the first man on earth to set foot on the moon in human history. During the live TV broadcast that made the world boil, people suddenly heard astronaut Armstrong say: "Unbelievable!" There are other spacecraft here and they are watching us!The signal has since been cut off abruptly, for which NASA has never explained anything.Soon after, the U.S. government announced the termination of all moon landing programs, and the reason behind this decision is still the ultimate secret in the history of human spaceflight.What happened to Armstrong on the moon when he said that? What is NASA hiding from us? In recent years, several American astronauts on the moon, including Armstrong, have repeatedly made their remarks on various occasions that they "had contact with aliens on the moon", causing an international uproar. And insider information is even more rumored: the US government has been secretly landing on the moon frequently!This book's bold scientific conjectures on "truths on the moon" and "traces of alien life" will reveal to you the traces of aliens hidden in myths, oracle bones, and ancient ruins, and tell NASA's "abrupt end" The real reason behind the moon landing program