The doorway was in the right place to lead to the observation room on the other side of the mirror.

He jumped to the hallway, right outside the observation room, and opened that door.

Here is the observation room and, beyond that, the pilot's house, which none of us had the courage to go near.

Then he left the observation room with a firm step and went out into the corridor.

Someone in the observation room had called it the wailing wall.

But the observation room was solidly built, and little fell to the floor.

Six observation rooms also are available on the ground floor.

That night the three men got drunk together in the observation room.

When the team met that night in the observation room they agreed it was time to report back on their progress.

Do you want to come down to the observation room?