Terrific quantities of metallic weapons and resources excavated at numerous Phung Nguyen society web-sites in northern Indochina are linked to the start in the Copper Age in Southeast Asia.[twenty] Furthermore, the beginning from the Bronze Age is verified for approximately 500 BC at Đông Sơn. Vietnamese historians ordinarily attribute the https://vf55590455.blogdon.net/6623-fundamentals-explained-47233151