C183 Eerie ship

The cave spiraled downwards, aiming for the base of the mountain. From the marks on both sides of the cave, it could be seen that the front part of the cave was naturally formed.

I couldn't help but wonder, who would intentionally carve a tunnel here, and what kind of place would it lead to?

The length of the cave was not short. I felt as if I had walked at least two thousand meters