Combined photos taken in 2005 (upper) and in 2012 show the Hangzhou CBD under and after construction, in Hangzhou, capital city of east China's Zhejiang Province. Hangzhou has turned into a modern city with attracting natural sceneries and great improvements in urban construction after years' of development.The G20 Summit will be held there on Sept. 4 to 5. (Photo/Xinhua)
