>What is worth more investigation, is how they carved symmetric granite vases within 1/100th of an inch precision. The thing that gets me is that all of these

>What is worth more investigation, is how they carved symmetric granite vases within 1/100th of an inch precision. The thing that gets me is that all of these questions can seemingly be answered with -- lots of time. If you work slowly, and have lots and lots of people to throw at problems, nearly anything is possible.