The low concrete block walls were there, but above them was nothing but space.

They would punch a hole in a cinder block wall big enough to crawl through.

Along the north side of each floor were offices, separated from the records storage area by a concrete block wall.

Clark rushed the third man, slamming him against the block wall.

The horse came to a gravel-scattering halt when they reached the block wall.

They ended up in a dimly lit corridor whose block walls led to a dead end.

Outside the block walls, a carriage rumbled to a stop.

"I don't know," he answered, feeling the three solid concrete block walls.

The men had apparently been shot in front of a cinder block wall that is now pockmarked.

When they left, he sagged back against the concrete block wall, trembling with relief.