Introduction to the Sancta Sanctorum: Through the stairs, you can reach the Sancta Sanctorum (Sancta Sanctorum) built in 1278. It is built of Cosmati marble and contains precious portraits of Jesus. (Ticket fee is 3.5 euros, opening hours are 10:30-11:30, 15:00-16:00; closed on Wednesdays and Sundays)
Attraction