Damascus was famous since Roman times for their swords. They were forged from an iron ore imported from India containing Tungsten and Vanadium and carbonized using leaves rather than charcoal. Around 1750 the ore was exhausted and many have tried to reproduce the sword forging, none able to duplicate it. It seems that the ore also contained carbon nanotubes making it exceedingly flexible and forge-able making them the sharp enough to split a hair.
Some years ago, then Speaker of the House Nancy Pelosi visited Damascus to make diplomacy with Syria against the will of the State Department. What was she really doing?