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