The control center contained walls of monitors, rows of sensor equipment.

That structure contains walls built from volcanic rocks and slate flooring.

The house contains original beams, walls, and flooring but otherwise has been extensively restored.

The puzzler is provided with a grid containing walls, dots and a set of area sizes.

The building contains thick concrete walls in order to maintain a cool, constant temperature and to keep out humidity.

The parenchyma in the cortex contains thick walls.

The interior space of all three buildings is open and contains few walls.

It is similar to the Jalapeño pepper, but contains thinner walls.

The gallery leads into the ballroom, which contains walls of gilt panelling and mirrors.

Rooms contain minimum walls, with the idea that homeowners can add them if they need them.