HEZHENG, June 1, 2019 - People perform Hua'er, a folk song popular in northwest China, at Songmingyan scenic area in Hezheng County of Linxia Hui Autonomous Prefecture, northwest China's Gansu Province, June 1, 2019. An event of Hua'er performance kicked off here on Saturday. Hua'er, literally "the flower", is a folk song popular in the country's northwest. It was listed as a UNESCO Intangible Cultural Heritage in 2009.
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