The main building was a near-dome, fabric stretched over the top of a dirt wall, with a central pole.

Beside him Rathbone also sat up and leaned back against the dirt wall.

He looked around at the dirt walls and then at the guards.

It was fabric stretched over the top of a dirt wall and one central pole.

Then I remember seeing little figures standing atop a dirt wall, removing their clothes, and they fell.

Ebenezum disappeared, and the brown dirt wall settled to the ground.

Those dirt walls have been there so long they feel like concrete.

Finally they came to a tunnel that ended in a raw dirt wall.

The light from the solitary window in the cell made a pattern on the dirt wall opposite Nicole's bed.

The light revealed a small round hole in the dirt wall, about three inches off the floor.