The north side of the building was accessed via a central stairway.

The building was originally constructed with a wide central stairway to large upper level waiting room.

As in old courthouses, a central stairway inside leads up to the main meeting rooms.

He was staring upward toward the row of lights above the central stairway.

There were no sounds in the horizontal tunnels that led off from the central stairway at either of the two main levels.

"Yes," came the answer from the direction of the central stairway.

The palace has a central stairway on the south side, giving access to the upper levels of the building.

The building's central stairway had fallen away in several places.

Yet still not in control, he watched his legs take him up the central stairway to the fourth level.

Beyond the central stairway, one of the occupied rooms stood open.