The Garbage Cleaner

As if hypnotized, Xie Ai moved his hand all of a sudden and was about to touch those lines when his hands were grabbed by Qi Jingguo as the latter warned, "Don't touch it."

He blinked and realized that he was once again lured into touching that thing. A terrified expression appeared on his face as he took his hand back as if it were burned because of something.

He stared at the carvings on the wall and said, "Why do we have to deal with carvings again?"

He was sick of staring at it. The previous instance was enough, and he didn't want to deal with any of these anymore.

Yu Weimin's eyes narrowed on the wall as he stared for a moment and shook his head. "Let's go."

Since they couldn't understand the carvings, it was better to ignore them altogether and move on.

"Maybe," Qi Jingguo spoke up as they entered a corridor, "those weren't carvings but the nail marks of the prisoners."