Exhibition jogs nation's collective memory

Display of outdated objects illustrates the progress made since reform and opening-up was adopted. Zhao Yimeng reports.

Editor's note: This is the last story in a series reflecting China's achievements in a range of fields, including science, law enforcement, education and transportation, resulting from 40 years of the reform and opening-up policy.

Surrounded by obsolete objects, Song Zhenzhong, a small man in a red traditional jacket, excitedly explained how to operate the "antiques" to a group of primary school students.