The loggia at the tower's base is a chapel (Cappella di Piazza) marking the city's deliverance from the plague of 1348.
The Cappella di Piazza is a chapel at the base of the loggia.
mnli hypothesis: The Cappella di Piazza is a chapel at the base of the loggia. premise: The loggia at the tower's base is a chapel (Cappella di Piazza) marking the city's deliverance from the plague of 1348.