1/What has John recently experienced in Vietnam?

2/Where do the ethnic minorities live in VIetnam?

3/How are their costumes?

4/Where do they often gather in speacial occasion?

5/What does the chief of the commmunity often do in the communal house?

6/When do the ethnic people often hold festivals?

7/Why is the life in mountainous areas quite difficult?

8/How much time may it take people to go from their house to the market in the remote areas?

9/What makes life in remote areas so difficult?

10/What do the local authorities do to help the ethnic minorities?