Combined photos taken in 1984 (upper) and 2018 (lower) show Wulin Square in Hangzhou, capital of East China's Zhejiang province. The landmarks in Hangzhou have been renovated over the years. [Photo/zjol.com.cn]

The past and current views of Bai Causeway, a famous scenic spot in the West Lake [Photo/Xinhua]

Combined photos taken in 2001 (upper) and 2018 (lower) show the past and current scenery of Qianjiang New Town, Hangzhou's new CBD located on the east bank of Qiangtangjiang River. [Photo/IC]

Combined photos taken in 2013 (upper) and 2016 (lower) show the Hangzhou Olympic Sports Center under and after construction in the Binjiang District of Hangzhou, capital of East China's Zhejiang province. [Photo/Xinhua]

Combined photos taken in 2010 (upper) and 2016 (lower) show the old West Lake Cinema and the newly-built shopping mall in Hangzhou, capital of East China's Zhejiang province. [Photo/Xinhua]