"visit the underground chambers of the church"
"The most famous work inside the church is the beautiful memorial dedicated to Cardinal William de Braye, made by Arnolfo di Cambio (1283-1285)."
"This gem of Romanesque architecture. Its most intimate and secret atmosphere while you proceed from Saint Juvenal' along the border of the cliff, following one of the so-called ripe."
"The wonderful interior can be visited by the "Visita a Teatro" (visit to the theatre) which you will see advertised outside the building, something not to be missed because of its beauty and charm."
"The visit includes an extremely evocative and interesting guided tour that, through a labyrinth of open caves dug out of the tuffaceous rock by the inhabitants over the course of 2500 years"