First I've heard of them. Pretty interesting.
Check this out:
The earliest sails were not made from canvas but from woven grass, which had to be dipped in tannins in order to be toughened up. This resulted in a reddish-brown hue, which was carried on when canvas masts were invented. The bright crimson masts seen in Hong Kong’s harbor today still bear this historical hallmark.
I'm always fascinated by the Chinese Junckers, they're so foreign to me
First I've heard of them. Pretty interesting.
Check this out:
Wow that's really neat! And I had been wondering about the propensity for red over there