He crossed the little room and gently lifted a stone from the irregular wall.

A vertical world confined between two irregular walls.

The room was rounded, the walls irregular but not rough.

Shrubs that appeared dense black at this hour made an encircling irregular wall round its perimeter.

Magnificent peaks formed an irregular wall on the northern horizon.

This forms an irregular outer wall that uses the natural form to add defensive height to the fortifications.

It was a waste kind of spot below, bounded by an irregular wall, with a few doors in it.

Cramped passages wound between irregular walls pocked with dark holes.

Rather than vault the chest-high irregular wall, Gerswin walked around it.

He explored it carefully with his hands stretched out in front of him, going round the rocky, irregular walls.