A visitor takes photos of an exhibit at the Shaanxi Archaeology Museum in Xi'an, northwest China's Shaanxi Province, April 28, 2022. (Xinhua/Li Yibo)
People visit the Shaanxi Archaeology Museum in Xi'an, northwest China's Shaanxi Province, April 28, 2022. (Xinhua/Li Yibo)
People view a mobile lab in the Shaanxi Archaeology Museum in Xi'an, northwest China's Shaanxi Province, April 28, 2022. (Xinhua/Li Yibo)