During May 18-22, the 4th China (Hunan) International Mineral & Gem Expo was held in Chengzhou, Hunan Province of China. More than 1000 enterprises from over 40 countries presented their products. Under the invitation of the organizing committee of the conference, Zhangjiajie UNESCO Global Geopark attended the meeting and presented a detailed illustration of the evolutionary process of Zhangjiajie Landforms. In addition, the brocades of Tujia Ethnic Group were also presented.
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