Opernturm - OpernTurm (English: Opera Tower) is a 43-storey 170 m (560 ft) skyscraper in the Westend-Sud district of Frankfurt Germany. The property is situated opposite Alte Oper on the corner of Bockenheimer Landstrae and Bockenheimer Anlage. The building was designed by Christoph Mackler. The project developer was Tishman Speyer a US firm that previously built the Sony Center in Berlin and the Messeturm in Frankfurt. 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?
The answer to this question is:
Building