章 732: Chapter 536: The Holy City of Black_1

For everyone, walking through such ruins wasn't a big deal. Even Mary, who was initially uneasy, gradually calmed down after a lengthy journey. It was because of this that Mary discovered some anomalies that she had not previously noticed.

"Mr. Duanmu, there seems to be... nothing here?"

"Huh?"

"No, what I mean is..."

As Mary spoke, she pointed the flashlight around. The smooth floor was only covered with some dust, nothing else, which seemed normal. But in ruins, this was rather abnormal.

"There are no remains or any kinds of decorative items... Is this normal?"

Indeed, Mary had also surveyed ruins with her teacher in the past. Generally, in large architectural ruins, there would be remains or even remnants of civilization left by people before. However, these ruins were so clean that it was as if they had been vacuumed, with nothing left behind.

"Well, this would be abnormal anywhere else, but here it's quite normal."

Duanmu Huai quickly provided an answer.

"Huh? Why?"