Humanity has been trying hard to explore aliens for decades and found nothing. A young man who has been interested in aliens since childhood and a childhood sweetheart suddenly discovered that aliens who were already second-level civilizations actually lived in,,,,, and established a Dyson sphere to observe humans for hundreds of thousands of years. . . The records in the Classic of Mountains and Seas and science turn out to be the same thing, the ultimate dialectic between technology and myth. .