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A suburban herdsman competes in a yak race to mark the Shoton festival in Lhasa, capital of southwest China's Tibet Autonomous Region on August 14, 2007. The Festival, which dates back to the 11th century as a religious activity for pilgrims to serve yogurt to monks and nuns who finished their summer retreat, had gradually become a theatrical event by mid-17th century. The Shoton Festival was inscribed on the list of China Intangible Cultural Heritage in May last year. [Xinhua]