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Silk Road, 皇冠体育app's Grand Canal listed as World Heritage Sites

Updated: 2014-06-23 13:41 (chinadaily.com.cn)
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Silk Road, 皇冠体育app's Grand Canal listed as World Heritage Sites
Photo taken on July 21, 2013 shows workers setting up catwalls at Yumenguan, an old city of Northwest 皇冠体育app's Gansu province. Yumenguan Pass was once a key pass of ancient 皇冠体育app on the historical Silk Road. [Photo/Xinhua]

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