A 2,500-year-old Chinese sword discovered in 1965 remains razor-sharp and pristine today, seemingly defying the natural laws of decay that typically ravage ancient bronze weapons. The Sword of ...
Narrator: Over three and a half thousand years ago ancient China was ruled ... Narrator: During the Shang period, bronze was the most important metal, weapons, armour and tools were all made ...
Narrator: Over three and a half thousand years ago ancient China was ruled ... Narrator: During the Shang period, bronze was the most important metal, weapons, armour and tools were all made ...