"You know that this entire area has cave complexes beneath it?"

The area is littered with cave complexes, several of them open to the public.

There is a staircase of 144 steps that leads to the cave complex.

Then he found the unnatural door and the cave complex beyond.

Civilians might have been killed, but only because they were in or near the cave complexes, he said.

The cave complex is big enough to house Landing's population, plus dragons!

He couldn't be certain whether he was going deeper into the cave complex or out of it.

The cave complex was opened to the public in 1948.

There was only one entrance to the deep cave complex.