1179Re: Pop-Pop Steamboats membership
- Jan 5, 2009I can add to this, how much technology etc has been forgotten because
it is no longer relevant.
An example is the Ironbridge, Shropshire, England.
It is known how the sections were cast, but it is speculation as to how
they actually assembled these to create the bridge. Similarly how were
the pyramids or stonehenge built?
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