Introduction to the Intangible Cultural Heritage Exhibition Hall: There are two intangible cultural heritage exhibition halls in the Betel Valley Scenic Area. Hall-1 shows the production, life, religious beliefs and other aspects of the Li people in Hainan. A rich, colorful and unique culture created in the long-term historical development. The traditional costumes of the Li people displayed in Hall 2, made of gorgeous Li brocades, are also true records and portrayals of the customs, religion, etiquette, history and myths of the Li people.