RE: The Earth Sheltered Dwelling
If you take a closer look at the pics , the main strength is centralized, (where the main weight is directed and transferred from the roof rafters , as for the conical shape this adds to the strength of the opposing rafters , the top level of the structure (tier) along with the conical shape directs the smoke from a fire to terminate centrally ...acts as chimney / flue ....a plastic DPM sheet or tarp would be required slung over roof timbers before earth AND gravel stones were applied , you could lay grass lawn turf over for instant camouflage .....do not forget a bolt/escape hole
No need to dig a big hole at all ....where two hill intercept one another at a rough angle of 90 degs that would work....BUT where the V is , don't forget to dig this out / or place rocks in at this point...at that point there is already a natural DRAIN water flow or raised floor of timber ....even better.
Camouflage could also be veg.....
LOCATION LOCATION LOCATION
Dig out for a plastic drum ( water supply )
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