An aerial photo taken on Aug. 25, 2016 shows the Hangzhou Citizen Center in Hangzhou, capital of east China's Zhejiang Province. The G20 Summit will be held in Hangzhou on Sept. 4 to 5. (Photo/Xinhua)
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An aerial photo taken on Aug. 25, 2016 shows the Hangzhou Citizen Center in Hangzhou, capital of east China's Zhejiang Province. The G20 Summit will be held in Hangzhou on Sept. 4 to 5. (Photo/Xinhua)
