Li Shang didn't answer directly, but prompted:
"Take a closer look, pay attention to its structure and cross-section."
Chang Erbing, hearing this, began to observe more attentively, gently touching the surface and broken parts of the stone through the bag with his fingers.
A few seconds later, he suddenly exclaimed softly:
"Captain Li, this middle part of the stone, the material and density seem different from the surrounding areas? It feels... like it's hollow? Or maybe something has been hollowed out?"
Li Shang took back the evidence bag, held it in his hand, and said thoughtfully:
"Erbing, make a judgment, which part of the villa do you think this stone originally belonged to?
Is it the concrete from the ground, or a block from the wall? And how did this hollow section in the middle form? Was it caused by an explosive impact? Or did it originally exist?"
Chang Erbing was momentarily stunned, then suddenly slapped his thigh as realization dawned upon him:
