and computer-aided design. The Science and Technology Center is connected to the Campus Center via a sky walk, which was constructed in 2017.
=== B. J. Haan Auditorium ===
The B. J. Haan Auditorium seats approximately 1,500 people and is used for chapel services, concerts, organ recitals, and other regional events. Convocation and commencement exercises are also held in "the Beej", as it is called by students. The auditorium features a three-manual, tracker-action Casavant Frères organ with 37 stops, 57 ranks, and 2,833 pipes.
The auditorium is adjoined by the Music Building, which also has rehearsal rooms, studios and classrooms, vocal and instrumental practice rooms, and music faculty offices. Its mezzanine also houses the International Association for the Promotion of Christian Higher Education.
The auditorium was the site of a campaign rally by candidate Donald J. Trump on January 23, 2016, during the race for the 2016 Iowa Republican presidential caucuses.
=== Athletic facilities ===
The campus recreation …