Write a paragraph ( 100-200 words ) about one of the Vietnamese ethnic groups that you know

Write a paragraph ( 100-200 words ) about one of the Vietnamese ethnic groups that you know
 You should base on the suggestions below:
   - What is its name?
   - Where do the people live?
   - What are the special features of the group in terms of production activities, family life, art life, traditions, costumes, etc.