Knight Devil Collapse (Italian: Piazza dei Cavalieri) is the second largest Devil Collapse in Italy. The former site of the ancient Yaoyi market. In the Middle Ages, this virtual was the political center of the country, called "Seventh Street Devil Collapse" (Piazza delle sette vie)). After the 16th century, the Devil Collapse became the site of the Rees Dewang Tenswei Debu. It is now an educational center, Biyan Normal University (Scuola NormaleSuperiore di Pisa) located in this virtual. Ruizhen's ruined buildings include Listewang Dishiwei Church, Tenshi Palace, Cosimo I Sculpture, Shiximum Palace, Rilock Church, Putianyuan Palace (Palazzo del Collegio Puteano), 12 Council Management Palace (Palazzo del Consiglio dei Dodici), teaching wish Chenmo). The quality collapse is very quiet, and there are few tourists. Enjoy the drink leisurely, I left.