The Grand temple (1)

One could tell from the other party's expression that he had clearly guessed Tang Zhen's identity.

"This matter just happened, how did you know so quickly?"

The believer laughed when he heard Tang Zhen's question. He was even more certain of his guess.

If he was a veteran, it was impossible for him not to know the communication method on the Great Wall. The question raised by Tang Zhen had undoubtedly exposed his identity as a newcomer.

Tang Zhen was also clearly aware of this point. However, he did not have any intention of hiding his background. On the contrary, he hoped that more people would know about him.

If he had companions, he could also use this method to know of his existence.

The believer had already started explaining,"behind every section of the city wall, there is a transmission stone. There are hundreds of sections in total."

On each section, there was a video of the defensive area, and it was clear at a glance.