St. Peter's Cathedral (Basilicadi San Pietroin Vaticano), its standard name is St. Peter's Cathedral. St. Peter is a popular translation of English. Designed by Michelangelo, it is the Church of the Archdiocese of Christianity (Catholic Church), the pilgrimage site of the Archdiocese and the Vatican Pope of Rome, the world's top five churches. This is the first stop of Yiruifa's trip. The main feeling is the Renaissance masterpieces. In fact, the post office here can buy postcards and put stamps on them to send home. The most memorable value is the Vatican's postmark. Everyone must send a few more letters home, because it is easy to send them, which is the most important.