Why is Chu calligraphy the most rebellious, innovative and expressive?

Chu calligraphy is the most rebellious, innovative and expressive. The rebellion of Chu Da Lin Zhong and Gong Chu in the late Western Zhou Dynasty has revealed the clue that calligraphy in the Western Zhou Dynasty rebelled against orthodoxy. After a period of brewing, a brand-new calligraphy style began to become popular in the vast areas of the south, with inscriptions such as Ding, Wang and Zeng Houyi as the stamina, and books such as "Today's Travel Ken Pan" and "The Sword of the King of Yue" by Chu as the acme. Changsha ammunition depot silk script, tomb of Zeng Houyi, Xinyang Changtaiguan, Yangtianhu, Baoshan, Guodian and many other Chu bamboo slips. Open style and simple brushwork have opened up a new realm for Chu calligraphy.