An Yinan took out a piece of white paper and a pencil, "The current geographical location of the back mountain is like this."

As he spoke, the tip of the pen quickly crossed the white paper, leaving lines that quickly outlined the location of the mountain behind.

"You are so awesome." Zhao Qiuhua looked at the picture in front of him. How could he have imagined that it could be drawn with just a few strokes?

An Yinan did not answer, but just circled a place, "This is ...