Extracting keywords is also refining information. Find out the words that describe the characteristics of Sichuan opera from each sentence and summarize them. The second sentence is the history of Sichuan Opera. There is a saying in the Tang Dynasty that "Sichuan Opera is the best in the world", which has a long history. The third sentence is the vocal characteristics of Sichuan opera, which is characterized by high-pitched voice, that is, wonderful singing; The fourth sentence is the characteristic of Sichuan opera, that is, uniqueness; The fifth sentence is about language characteristics and local colors, that is, the language is vivid (vivid, humorous and humorous) and the local colors are rich;

Answer:

It has a long history, beautiful singing, unique singing, lively language (vivid, humorous and humorous) and strong local color.