One of the Spratly Islands in the South China Sea showing building works underway imaged at 40cm resolution on 28 Dec 2015 by WorldView-2 ©European Space Imaging/DigitalGlobe

One of the Spratly Islands in the South China Sea showing building works underway imaged at 40cm resolution on 28 Dec 2015 by WorldView-2 ©European Space Imaging/DigitalGlobe



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