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Pigs compete in the obstacle race during a fair held at a farm in Taer Village, Zhangjiakou City, north China's Hebei Province, Sept. 7, 2018. (Xinhua/Chen Xiaodong)?
Pigs compete in the obstacle race during a fair held at a farm in Taer Village, Zhangjiakou City, north China's Hebei Province, Sept. 7, 2018. (Xinhua/Chen Xiaodong)?