Fantastic numbers of metal weapons and tools excavated at many Phung Nguyen tradition internet sites in northern Indochina are related to the start on the Copper Age in Southeast Asia.[20] Furthermore, the start with the Bronze Age has been verified for approximately five hundred BC at Đông Sơn. Vietnamese historians https://franciscotemvb.tusblogos.com/31009697/6623-no-further-a-mystery