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/Ju Huanzong)
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/Ju Huanzong)