Earthbag Building: Sun House
You must see this page. Building an earth house in Haiti. I wonder if it is still there after earthquake. Let's hope so as it seems very sturdy.
Also, click on "home" to see the other sustainable designs.
Here's a pic of the house -

Check out how it was done when you have a sec.
People doing great things together!! Chandra, you will LOVE it!!

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But I hope not.