Photos show the past and current scenery of Baochu Pagoda, one of the landmarks in Hangzhou. The above photo was taken in 1972 and the below one in 2016. [Photo/Xinhua]

As the 2016 G20 summit is around the corner, Hangzhou, a city in East China's Zhejiang province, is under the spotlight of the whole world. During the past decades, tremendous changes have taken place in the city. Let's have a look at the development of Hangzhou.