Full coverage: G20 Hangzhou Summit

Photo taken with a mobile phone shows the musical fountain in front of the Hangzhou Grand Theatre in Hangzhou, capital of east China's Zhejiang Province, Aug. 27, 2016. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Wang Jianhua)

Photo taken on Aug. 27, 2016 shows the night scenery in Hangzhou, capital of east China's Zhejiang Province. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Wang Jianhua)

Photo taken on Aug. 27, 2016 shows the Xixing Bridge across the Qiantang River in Hangzhou City, capital of east China's Zhejiang Province. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Zhang Cheng)

Tourists walk on the Xiling Bridge across the West Lake in Hangzhou, capital of east China's Zhejiang Province, Aug. 26, 2016. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Zhang Cheng)

Tourists walk on the ancient Guangji Bridge in Tangqi Town, Hangzhou City, capital of east China's Zhejiang Province, Sept. 24, 2015. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Xu Yu)

Photo taken on June 29, 2012 shows the Qingfang Bridge in Hangzhou City, capital of east China's Zhejiang Province. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Zhong Liming)

Photo taken on April 27, 2014 shows the Gongchen Bridge in Hangzhou City, capital of east China's Zhejiang Province. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Zhong Liming)

Photo taken on Aug. 27, 2016 shows buildings along Qiantang River are illuminated with the G20 logo in Hangzhou, capital of east China's Zhejiang Province. The 11th G20 summit will be held from Sept. 4 to 5 in Hangzhou. (Xinhua/Ju Huanzong)