An actor performs during an immersive drama at the museum of the heritage site of the ancient copper mine of Tonglyu mountain in Daye City of central China's Hubei Province, Sept. 15, 2026. The national archaeological site park of Tonglyu mountain is built on the heritage site of the ancient copper mine of Tonglyu mountain in Daye City of central China's Hubei Province. With the construction of the park as the leading project, local government has explored a characteristic path for protecting and developing cultural heritages, attracting lots of visitors. (Xinhua/Lu Jinbo)

　　This undated file photo shows a cooper smelting furnace dating back to the Spring and Autumn Period (770 BC-476 BC) displayed at the museum of the heritage site of the ancient copper mine of Tonglyu mountain in Daye City of central China's Hubei Province. The national archaeological site park of Tonglyu mountain is built on the heritage site of the ancient copper mine of Tonglyu mountain in Daye City of central China's Hubei Province. With the construction of the park as the leading project, local government has explored a characteristic path for protecting and developing cultural heritages, attracting lots of visitors. (Xinhua)