St Luke's lecture hall (Shadow World)
From Tardis Wiki, the free Doctor Who reference
St Luke's University had a large lecture hall. It existed in the Shadow World as a virtual replica of the original lecture hall from the Doctor's World. Like the rest of the Shadow World, it was created by the Monks, so that they could plan the perfect invasion of Earth.
The Twelfth Doctor was visited by the Pope and Cardinal Angelo while standing in thought at his lectern. Nardole helped the Doctor comprehend the event. (TV: Extremis)