1. Which ethnic group has the second largest population?
2. Sap dance is a typical dance of Muong people in the north
3. Most of ethnic minorities in Vietnam live in moutainous areas
4. Thai ethnic minority is well-known for its beautifully woven garments
5. The New Year celebration of Lao ethnic group is in lunar April
6. Thai people account for approximately 1.8% of Vietnam's population
7. The Tay live on fertile plains where they can cultivate rice and keep cattle and poultry
8. How long have the Ede lived in the high plateau region of central Vietnam?