A Republic-Era Manuscript

A manuscript brought to light a special unit from the Republican era, more than sixty years ago. The unit's main duties were divination and locating dragon veins and auspicious burial sites. One day, the grandson of a feng shui master suddenly received a package from the United States. Inside was the manuscript, which led to the revelation of a secret. No one could have imagined that, as they dug deeper into the truth, all kinds of strange events would unfold, shattering Canlan and the others' understanding of the world: the Ghost Tomb of Fengdu, the River-Crossing Dragon, the Rootless Tree, and ghost soldiers crossing the road... Were these natural phenomena or the work of human hands? What was hidden behind it all...?