It's the mark of craftsmen chiseling the wall, nothing special.

It's just that the cave wall is very dry and there are many gaps on it.

Several people searched in the hollow for a while, but no one found anything.

"There is nothing but stones," Nunara said.

Sasaki glanced at the way they came and looked puzzled: "Is there no other way?"

"There should be." Ying Shaolong said, "The holes are dug by people, there must be a purpose."

It is not easy to dig a hole in the desert soil.

The upper soil is dry and loose, and there is a risk of collapse at any time.

Dig pits underground, either to hide from enemies or to bury or hide treasure.

These two situations are the majority.

Holes to hide from enemies will no longer appear in inaccessible areas.

As for the other situation... nothing but rocks in this hollow is an abyss of water.

Several people's eyes turned to Shuiyuan.
Chapter completed!