----- Nội dung ảnh ----- 1. Still houses are made from materials like wood, bamboo, and leaves. (nature) 2. The ethnic groups in Viet Nam have their own customs and traditions. 3. Which ethnic group has the largest population in Viet Nam? (populate) 4. There are always regional differences in every country. (differ) 5. Which do you think is more beautiful, the Tay's or Nung's costume? (colour) 6. The Museum of Ethnology has a huge collection of items of different ethnic groups in Viet Nam. (special) 7. Sticky rice is a special food of the local people sold at the market. (special) 8. The 54 ethnic peoples of Viet Nam are diverse, but they live in different regions still keep their traditional way of farming. 9. If you go to Sa Pa, you should try some. 10. Which do you think is more important?