A back wall is separating from the rest of the structure.
A wall may also separate apartment or hotel rooms from each other.
It was as if a vast wall separated them from the gap and space.
A black wall separates the two tracks for most of the station.
On the two other sides its outer wall separated it only from the sea.
To the right of us, a low wall separated the sidewalk from the sand on the far side.
Anyway, for good reason, a "wall" separates the news and business sides of the paper.
He said it was important to break down the imaginary ethnic wall separating the people.
The facility had been built about 15 years before, without walls separating classes.
The walls separating them reach the ground level the tomb was built upon.