You can write about their culture.

Example: The H'mong culture; Ethnic minority in Viet Nam;...

Example:

Located in a multi-ethnic country, the H'mong people are considered as an important member of the ethnic minority community in Vietnam. Together with 53 ethnic groups, the H’mong people are always part of the unity bloc of national solidarity and contribute to enrich the culture of all ethnic groups in Vietnam. H'mong areas often live in the market. Fair market stipulates meeting every 6 days (in some places 5 days a session). Commodity exchange relations on the basis of object exchange, using currency exchange very little. Fair market is both a place to exchange goods, and a meeting place for all walks of life in society. In which, there is a market with cultural characteristics of H’mong people, that is “Love market”. The love market is held once a year. Sapa love market, is a place that attracts domestic and foreign tourists to learn about this unique culture. The H’mong people have a diverse and rich spiritual life in terms of customs, traditions, beliefs and writing, voice, culture and art. Among the 54 Vietnamese ethnic groups, the H’mong ethnic group is one of the ethnic groups that are less likely to be lost in terms of their traditional cultural identity. H’mong culture is a Vietnamese cultural element, their unique cultural identity has contributed and enriched the Vietnamese culture. In the current international integration period, in order to develop "integration" without being dissolved or lose identity, the preservation of national culture requires research, enthusiasm and perseverance. Castle. There will be cultural values ​​that will forever be preserved and promoted.

Good luck, guys!