sentences:  The interior can be seen in such international films as Cabaret (1972) and Wings of Desire (1987).After the fall of the wall in 1989 the remaining part of the hotel was safeguarded as a listed historical monument.However, when the resurrection of Potsdamer Platz was underway and the first plans for the new Sony Center were drawn up, this factor was not considered; the Kaisersaal stood in the way and was therefore earmarked for demolition.