Fireworks light up the sky on the West Lake in Hangzhou, capital of east China's Zhejiang Province, Sept. 4, 2016. The 11th G20 summit opened here on Sunday. (Photo/Xinhua)
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Fireworks light up the sky on the West Lake in Hangzhou, capital of east China's Zhejiang Province, Sept. 4, 2016. The 11th G20 summit opened here on Sunday. (Photo/Xinhua)
