The weapon that challenged time: the Sword of Goujian is 2000y/o and as sharp as the day it was crafted
Despite having been crafted more than 2,000 years ago, the Goujian sword has a sharp blade, as sharp as the day it was crafted, and shows no signs of tarnish. Such resistance to tarnish rarely seen in artifacts so old.
In 1965 an archaeological expedition investigated fifty tombs belonging to the period of the Springs and Autumns…
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