Chinese Era Code

At six o'clock in the morning, on the Gobi Desert of Heishan Lake, the ground-penetrating radar screen showed a rectangular structure with a side length of two hundred meters - buried seven meters deep underground, with square corners, larger than the underground palace of Qin Shi Huang's Mausoleum. Archaeologist Chen Yan's life has proven one thing: ancient Chinese myths are not fantasy, but the forgotten real history. When the shaft reached 21 meters underground, he saw something that shouldn't exist - a fifteen-meter-high human skeleton... Twelve thousand years is the cycle left by the Longbo civilization. At the end of each cycle, the earth's axis becomes unstable, sea levels rise, and civilization breaks apart. Next time, the countdown has begun. And on this planet, there is an observer who has been trapped for seven thousand years...