I recently saw a very interesting thing and i whant to show and ask you what you think about that , for me this was impossible but it seems to have done , the video says it all http://www.youtube.com/watch?v=PNv13fY_3jY
Wow that's cool :D these guys should build me a big mansion or atleast house in one week :D that would be cool :D, but (yeah there is always but) i don't think this kind of house aren't very strong and safe. Also they won't keep the heat.
-.- Meyrek -.-