Back in the days where men were made of iron and ships from wood... ... the only people with ski so thin that the veins could be seen through it were the "nobl

Back in the days where men were made of iron and ships from wood... ... the only people with ski so thin that the veins could be seen through it were the "noble" ones. Looking at their hands it seeemed like they had blue blood. At least that was the explanation of "blue blood" that I got when I was a kid ;-)