There are some man-made and natural caves inside the rock.

The temple is placed within the natural cave inside the rocks.

It was not a natural cave, just a space left under some slabs of rock.

She had no doubt it appeared to be a natural cave from the outside.

The creek was so named because of natural caves along its course.

It is a natural cave in solid rock inside the mountain.

The boys wondered if it had been a natural cave.

But this was a natural cave, not a bubble of captured energy.

They were in the middle of a natural cave.

A couple of natural open caves are also present in the vicinity.