not convincing !

来源: 于 2020-01-09 21:04:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

too far away, from Africa, even the middle East. 

the ores of copper, tin, lead, zinc, were from surroungding states, by war victory, in a diameter of 1200km around Yin.