What national costume is described in Mirror Sky Blue?

Tsing Yi people are Buyi people. Buyi clothing fabrics are mostly self-woven dyed homespun, including white homespun and yarn-dyed fabric. Yarn-dyed fabrics are mostly plaid, striped, plum blossom, fishbone and other patterns. Clothing colors are mostly blue-green background, with multi-color patterns, which are both solemn and generous, and novel and chic. It belongs to a branch of Han nationality, mostly in Guizhou. Chuanqing people were called "natives" in the early stage and "Li Minzi" in the later stage. Therefore, they are called "natives" because they have lived in the soil for a long time and are descendants of Han soldiers and local Tu people in the Ming Dynasty. Therefore, they think that they are different from the local Han nationality, their traditional costumes are still blue, and they generally use Mandarin spoken by Guizhou people. After liberation, Chuanqing people demanded that they be recognized as ethnic minorities.