She could see where windows and doors would go from the rough openings in the dull gray block.

The walls were of the gray blocks we call angeistone.

They have faced over the grey blocks with some nice yellow brickwork.

The middle floors have green and black stripes broken by gray blocks of tile.

The little gray blocks with teeth indentations were slid into plastic cases.

The building was constructed of square gray blocks with a rough surface.

The player has to move around gray blocks until a blue rock can escape.

He's been inside dozens of grey Russian blocks, and he can decode them just by looking now.

The boat came to within a few yards of the gray block.

An empty black square appeared in the gray block.