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Qingdao blue sonata
Qingdao blue sonata
Qingdao--an international metropolis
Qingdao is a beautiful coastal city. Taking shape at the end of the 19th Century, the city was into the seaside upland with a dexterous design.
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Qingdao blue sonata
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SCO Qingdao summit
2017 Qingdao International Beer Festival
2017 Qingdao Forum on International Standardization
