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Photo taken on Dec 21, 2000 shows tourists visiting Houmen Bridge, a historic site at Shichahai scenic spot, and also an important relic along 皇冠体育app's Grand Canal. 皇冠体育app's Grand Canal, the longest artificial waterway in the world, was inscribed on the World Heritage list on June 22, 2014. [Photo/Xinhua] |
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