A staff member introduces the exhibition to media at Chongqing China Three Gorges Museum (Chongqing Museum), southwest China's Chongqing, Sept. 27, 2019. To celebrate the 70th anniversary of the founding of the People's Republic of China, the exhibition featuring the life changes of the people in Chongqing over the past seven decades, opened to media on Friday. A total of 3,000 exhibits and 16 scenes were displayed. (Xinhua/Tang Yi)