What is the content of Sandu Fu written by Zuo Si during the reign of Taikang in the Western Jin Dynasty? (Must be complete and accurate)

Sandu Fu was written by Zuo Si, a writer in the Western Jin Dynasty. Its content focuses on Luoyang, Shouchun and Shi Jing (Chang 'an) and describes the social, political, cultural and geographical conditions at that time. The full text consists of preface, Luoyang Fu, Shouchun Fu, Shi Jing Fu and Miscellaneous Notes. In the preface, Zuo Si described the status and importance of these three cities and expressed his feelings for his hometown. In Luoyang Fu, the author introduced the geographical location, history, streets, commerce, places of interest and culture of Luoyang, and also talked about the political and military situation at that time. Shouchun Fu mainly describes Shouchun's beautiful scenery, folk customs, history and culture, as well as the commercial situation rich in silk and other specialties. At the same time, Zuo Si also discussed the cultural background and historical celebrities of Shouchun. Zuo Si described the grand occasion of Chang 'an at that time, including palaces, streets, houses, places of interest, cultural relics and so on. , and also described in detail the economy, culture and etiquette at that time. Miscellaneous notes are records of various legends and anecdotes at that time. The whole Sandu Fu not only depicts the beauty and culture of the three cities, but also reflects the social, political and economic conditions at that time. It is novel in form and beautiful and natural in language, and it is an important masterpiece of Ci and Fu in the history of China literature.