2. ethnic minorities make up about 15 percent of the population of vietnam
3. most of the ethinic minorities live in the mountainous areas in the north
4. the second largest ethnic group in vietnam are tay
5. the nung are known for their richness tradition of folk - art including music and poetry
6. the hmong - dao people speak language of dao language system
7. the custume of the nung is not as colourful as that of the ethnic groups
8. the ede live in wooden longhouses built on stils in villages known as buon

