Introduction to Ouyang Xiu Monument Square: Ouyang Xiu, a writer of the Song Dynasty, came to Luoyang in the last year of Tiansheng. After four springs, he witnessed the grand splendor of Luoyang peonies and the local people's custom of loving peonies. He began to write "Luoyang Peony Story", which is the most important literary work. It is characterized by detailed observation and description of the evolution of peony varieties.