![Visit the Iron Smelting Site of Caopu under Qingyang: The legacy of the "iron bone" of the Song Dynasty continues to this day[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
Heilongjiang Provincial Institute of Cultural Relics and Archaeology Shanxi Institute of Archaeology School of Archaeology, Peking University Sichuan Institute of Cultural Relics and Archaeology Archaeology Zhejiang Provincial Institute of Cultural Relics and Archaeology
03-29
