That Castle

The Buonconsiglio Castle in Trento was built in the 13th century. It was enlarged twice, and the structure has been used as a fort, a residence, a military barracks, a prison, and, most recently, a national museum. Was my first time to visit a castle. "Massive" and "solid" are the two adjectives that first come to mind. "Opulent", would be a third. I remember fantasizing about giving a talk in the meeting room shown below. How would you get the audience to stop looking at the ceiling?