St. Peter's Cathedral, also known as St. Peter's Cathedral, was built between 1506 and 1626 and is an important symbol of the Catholic Church. The church covers an area of 23,000 square meters and can accommodate more than 60,000 prayers. In the center of the church is a 42-meter-diameter vault with a ceiling of about 138 meters. The church contains frescoes and sculptures of many European Renaissance artists such as Michelangelo and Raphael. According to the Catholic Church, St. Peter's Cathedral is the burial place of St. Peter, the elder of the apostles, where most of the previous popes are buried. St. Peter's Cathedral is one of the famous Catholic pilgrimage sites, where many religious ceremonies are held every year. Inside the church, there are mainly sacred sculptures, St. Peter's chairs, the pope's altar and so on. In the basement of the church, there are the tombs of the popes of all ages. Climb the dome of the church and see a panoramic view of St. Peter's Square.