He must find the tunnel entrance, which Thomas had said was quite near.
The hospital said 10 of those people were waiting inside the tunnel entrance for the next car up.
Then he took his place between me and the tunnel entrance.
He sat down at the side of the tunnel entrance, in the snow, his back to the rock.
A small room was built near the main tunnel entrance.
They'll try for the tunnel entrance on the other side of that large field.
If they get through us at the tunnel entrance, you're the last hope for our people here.
He hadn't realized she had stopped to wait for him outside the tunnel entrance.
The tunnel entrance is on the north side and it goes through the center of the structure.
Tom asked his father, who was standing near the tunnel entrance.