The four unique features of Jingjing are well known to the world. ——Frost Snow Spring, Plum Blossom Paper, Juechen Brewing, and Broken Branches. There are thousands of stories about them, and these are just four that don't count as stories. Author's words: The so-called pure music means peace and tranquility in the world, which means peace and happiness for the common people. There is no power struggle or hatred of family and country in this article.