C239 Sun Qian poisoning

When they arrived at the top of the mountain, they saw that the ground wasn't very steep, and on a flat piece of land the size of half a football field, three graves were standing alone.

However, at this time, the grave had already collapsed, and a deep gully had appeared on the ground. It was as if a piece of cake had been cut off.

Others were fine, but when Superintendent Zhang climbed up