Visitors view an exhibit at an exhibition featuring Bronze Age civilizations along the Yangtze River at Sichuan Museum in Chengdu, southwest China's Sichuan Province, Sept. 28, 2021. (Xinhua/Xu Bingjie)
Visitors view an exhibit at an exhibition featuring Bronze Age civilizations along the Yangtze River at Sichuan Museum in Chengdu, southwest China's Sichuan Province, Sept. 28, 2021. (Xinhua/Xu Bingjie)