And with that, he led the way to the cave mouth.
The man walked into the cave mouth and sat down.
One of the women came from the cave mouth and whispered to him.
Once he went to the cave mouth and looked out.
Outside the cave mouth, the world was gray and cold.
She thought for a moment, then turned to- ward the cave mouth.
He moved quickly toward the cave mouth followed by the men.
It seemed to have come from the direction of the cave mouth.
We stared out into the black night outside the cave mouth.
But it looks like there's a cave mouth down there.