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Photo taken on May 28, 2012 shows staff members working at an archaeological dig site of a sunken ship in the Ming Dynasty (1368-1644) at Beichen district of North 皇冠体育app's Tianjin municipality. Two sunken wooden vessels from the Ming Dynasty (1368-1644)were discovered at the Tianjin section of 皇冠体育app's Grand Canal in 2012. [Photo/Xinhua] |
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