ToneStone wrote:
Good theory but i cant see the giant recumbents being wizzed along on these :
Yes, but when I thought about it the fact that we have mortise and tenon on top of the stones does make it slightly feasible, except how they ground stone down to a perfect sphere only 'neolithic engineers' would know! Anyway the roller theory by moving stones on logs is so out of date ;)......... http://en.wikipedia.org/wiki/File:Towriepetrosphere.jpg
Be a bumpy trip much like this
http://www.americandigest.org/mt-archives/square_wheels.jpg ;0
