[Greenbuilding] 500 Year Old Structure

[Ben Pratt]

I'd wager that human beings will not be on this earth in 500 
years--at least not many of them.

That being said, I would guess that--thermos wall cavities can't be 
that far off. Could there be a more energy efficient design than that?

-Ben

-- 
B  e  n  j  a  m  i  n   P  r  a  t  t
Professor
Department of Art and Design
University of Wisconsin-Stout
Menomonie, WI 54751
715 232 1537