He looked at a large mirror that took up almost an entire wall.
One entire wall was a window that looked out on empty space.
One entire wall of the room was what appeared to be a massive computer.
He examined the entire wall, but all of it felt the same.
One entire wall of the room was taken up by a smooth black surface.
The window framed the entire back wall of the room.
It might be a good idea to test this on a small section before doing the entire wall.
The room had no doors, although an entire wall seemed to be missing on the far side.
The same arrangement continued along the entire wall of the building.
This room also features a large window that takes up one entire wall.