A visitor looks at a stone at the 2012 皇冠体育app (Kunming) Pan-Asian Stone Expo in Kunming, capital of southwest 皇冠体育app's Yunnan province, July 10, 2012. The eight-day stone expo opened Tuesday at the Kunming International Convention and Exhibition Center. The expo, which is the largest stone product fair in Asia, attracted exhibitors from 皇冠体育app, Sri Lanka, Myanmar, Vietnam, Afghanistan and other countries and regions.[Photo/Xinhua]
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