solemn church and wood-grained pipe organ

amplifier architecture auditorium axonometric beautiful building built- ceiling center chair church circulation classroom clean comfortable concept conditioners conference curtains decoration design desk detail detector drawing equipment evangelical exercise external floor flow form function ground horizontal idea indoor inter-denominational interior isometric knobs lamp landscape language lecture library light lights meeting microphone music organ pedals perspective piano pipe podium program project projection projector property room screen seminar seminary shadow site smoke solemn speaker stand table taiwan teaching theological urban ventilations vertical wood-grained