A pottery mould unearthed at the Guanzhuang ruins in Henan Province. Excavation work at the site's bronze casting area has revealed bronze-making techniques dating back to the Zhou Dynasty (1046-256BC). (Photo/Xinhua)
Relics unearthed at the Guanzhuang ruins in Henan Province. Excavation work at the site's bronze casting area has revealed bronze-making techniques dating back to the Zhou Dynasty (1046-256BC). (Photo/Xinhua)
Relics unearthed at the Guanzhuang ruins in Henan Province. Excavation work at the site's bronze casting area has revealed bronze-making techniques dating back to the Zhou Dynasty (1046-256BC). (Photo/Xinhua)
Relics unearthed at the Guanzhuang ruins in Henan Province. Excavation work at the site's bronze casting area has revealed bronze-making techniques dating back to the Zhou Dynasty (1046-256BC). (Photo/Xinhua)
Relics unearthed at the Guanzhuang ruins in Henan Province. Excavation work at the site's bronze casting area has revealed bronze-making techniques dating back to the Zhou Dynasty (1046-256BC). (Photo/Xinhua)