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. (Xinhua/Jin Liwang)
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. (Xinhua/Jin Liwang)