Answer the following question: The Hourglass Sanatorium -  The Hourglass Sanatorium (Polish: Sanatorium pod klepsydrą) is a 1973 Polish film directed by Wojciech Jerzy Has starring Jan Nowicki Tadeusz Kondrat Mieczysław Voit Halina Kowalska and Gustaw Holoubek. It is also known as The Sandglass in English speaking countries. The story follows a man who visits his father in a mystical sanatorium where time does not behave normally. The film is an adaptation of Bruno Schulz's story collection Sanatorium Under the Sign of the Hourglass. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Film