5, Who has issued specific policies and special treatments in order to enhance the living standards of mountainous people?
6, What of each ethnic minority group should people make great effort to preserve?
7, Who once boasted a flourishing culture early in the history?
8, How many people are there in the least populated group – Odu?
9, How do the Yao people feel about their elaborate costumes?
10, How are the traditional cultural identities of ethnic groups?