This is a view of the main room to the air lock. (external door on far left). Steel beams embedded in mud above the doorways. No bolts or fasteneners are used as the weight of the roof (2 tonnes of earth on top of galvanised iron) will keep the beams in place.
The two doors have already been fastened to the tops of the walls (but not cemented in at the base yet)
The two doors have already been fastened to the tops of the walls (but not cemented in at the base yet)
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