? What does the Forbidden City mean? What are the allusions?

The source of the allusion: Preface to Feng Wang Sorghum in the Book of Songs: "As for the Battle of Chow Tai Fook, crossing the imperial palace of the ancestral temple was a subversion of the Minzhou House. Idiom meaning: It is a metaphor for missing the motherland. Idiom phonetic notation: ㄨˋㄡㄨㄙㄜˊㄕㄨˇㄨˇ General Pinyin: gugnong he sh ǔ Pinyin abbreviation: GGHS usage frequency: not commonly used idiom words: four-character idiom sense as the object; Refers to the feelings of missing one's hometown. Idiom structure: a more formal idiom synonym: The Forbidden City is far from Xiaomi. Idiom example: Walking all the way for one night just feels the scenery is different, which goes beyond the meaning of the Forbidden City. (Back to the idiom story of "History of Pain 17" in Qing Dynasty: According to legend, after the demise of the Western Zhou Dynasty, Dr. Zhou trudged to the capital of the Western Zhou Dynasty, and saw that the ancestral halls and palaces in the past had become fields full of corn. He was saddened and filled with emotion, so he wrote the poem "Millet Parting". Later, when Wei Chao met Zhou Wang, he passed the Yin Ruins and saw that the palace was destroyed and covered with corn. He was very sad and wrote a song "Mai Xiu".