Please answer the following question: Reed Opera House and McCornack Block Addition - The Reed Opera House and McCornack Block Addition more commonly known as The Reed Opera House or The Reed is a historic building in downtown Salem Oregon United States. Since its grand opening on September 27 1870 the Reed Opera House has served as a performing arts center and shopping mall. The Italianate brick structure was added to the National Register of Historic Places in 1978. 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?
A:
Building