Combined photo shows the Baochu Pagoda 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 and the lower photo were taken by Wang Qiuhang in 1972 and 2016. (Photo/Xinhua)
