The interior has the same layout as the Upper Basilica of St Francis

The Palazzo Capitano del Popolo, built between 1212 and 1305, was the first public building to be erected in Piazza del Comune

The Palazzo Comunale is home to the Pinacoteca Comunale, an art gallery with works by local medieval artists

The preservation of the streets and buildings over the centuries has helped to maintain the charm of the town.

Traffic and parking within the town-walls is admitted for few hours only per day