Representative inheritor of copper and aluminum casting technique Jiang Shengping displays a copper product at Qingshui Village of Minxian County, northwest China's Gansu Province, Jan. 16, 2021. The copper and aluminum casting technique with a history of hundreds of years in Minxian County is a provincial intangible cultural heritage in Gansu Province which requires more than ten processes including mold making, carving, casting and sand cleaning.

Representative inheritor of copper and aluminum casting technique Jiang Shengping melts copper material at Qingshui Village of Minxian County, northwest China's Gansu Province, Jan. 16, 2021. The copper and aluminum casting technique with a history of hundreds of years in Minxian County is a provincial intangible cultural heritage in Gansu Province which requires more than ten processes including mold making, carving, casting and sand cleaning.

Representative inheritor of copper and aluminum casting technique Jiang Shengping melts copper material at Qingshui Village of Minxian County, northwest China's Gansu Province, Jan. 16, 2021. The copper and aluminum casting technique with a history of hundreds of years in Minxian County is a provincial intangible cultural heritage in Gansu Province which requires more than ten processes including mold making, carving, casting and sand cleaning.

Representative inheritor of copper and aluminum casting technique Jiang Shengping melts copper material at Qingshui Village of Minxian County, northwest China's Gansu Province, Jan. 16, 2021. The copper and aluminum casting technique with a history of hundreds of years in Minxian County is a provincial intangible cultural heritage in Gansu Province which requires more than ten processes including mold making, carving, casting and sand cleaning.