1. Which ethnic groups live mostly in the Central Highlands ?
2. Why do the minority ethnic people seldom go to the hospital ?
3. Why do you like to eat "Thang Co" - a dish of the H'mong ?
4. What gifts do you often buy when you visit Ha Giang province ?
5. How long does it take to travel from Hanoi to Sapa by train ?
6. What age do the minority ethnic boys and girls often get married ?
(Sorry vì mình trả lời hơi lâu)
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