Developments indicate decades of improvements

In addition to Song Zhenzhong's exhibition in Dongcheng district, many other events have been held across Beijing to mark the 40th anniversary of reform and opening-up.

The policy has transformed the country's economic landscape and raised living standards in the past four decades.

Bi Xiuyan, Party secretary of Panzhuang community in the capital's Haidian district, has been one of the driving forces behind many of the exhibitions in her community.