Exactly below the high altar, at the bottom of a flight of marble stairs, the Panteon Real (Royal Pantheon) is a subterranean churchyard of history.
The churchyard of history is very elaborate.
mnli hypothesis: The churchyard of history is very elaborate. premise: Exactly below the high altar, at the bottom of a flight of marble stairs, the Panteon Real (Royal Pantheon) is a subterranean churchyard of history.