Combined photo shows the Bai Causeway at the West Lake in Hangzhou, capital of east China's Zhejiang Province. The G20 Summit will be held on Sept. 4-5 in Hangzhou, dubbed "paradise on earth" with a history of over 2,200 years. (The file photo was provided by Wang Qiuhang while the lower photo was taken by Xu Yu on Aug. 18, 2016. (Photo/Xinhua)
