The net result was a high circular wall that kept the wind out.

He was thinking of the terrible machine that lay within the circular wall.

Some are piles of wood with a stacked circular wall around them.

But it was the surrounding circular wall that astonished them.

The whole room turned slowly to slow music within its transparent circular walls.

More than a million inhabitants lived within its famous circular walls.

The circular wall is long gone; a road has replaced it.

The main building was surrounded by a circular wall and moat.

For a memorial, perhaps we could have a small park with benches, surrounded by a low, circular wall.

"And what we're looking at now is a circular wall with a gap in the middle."