Yongzhou is a multi-ethnic area, which is close to Guangxi and Guangdong provinces. Not only the languages of different ethnic groups are different, but also there are great differences within the same ethnic group. For example, Yao people are divided into Gaoshan Yao and Pingdi Yao. Because it is located in the mountainous area, the residents in each district are separated by a big mountain, so they didn't know much before liberation and didn't have much contact, which also caused language differences. ...