Gradually the wall disappeared and in its place, the professor saw a street scene.

The walls of the room had disappeared; she was deep in the echoing sea.

One wall disappeared behind a representation of what the weather looked like outside.

The walls have now largely disappeared, but most of the gates are still present.

Behind the young Arab, the wall of the room had disappeared altogether.

The wall on the south reach has almost disappeared due to erosion.

This wall has now disappeared with the advent of the Council houses.

One whole wall of the private room suddenly disappeared, ripped away by an outside force.

Suddenly, the wall by my daughter disappeared, and we were exposed on the edge of the fifth floor.

The wall behind disappears, and the space looks like it goes on forever.