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Ma Lanhua, inheritor of one of China's Intangible Cultural Heritages, named Ma's Kouxian, which is a traditional musical instrument played by mouth, performs during the first Ningxia Culture Travel Products Show in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, July 23, 2008. As the first of its kind, the exposition kicked off on Wednesday, presenting visitors folk-custom culture performances, special local products, and arts and calligraphy shows. [Xinhua]