Quite cheap to make … looks great and resist “time itself”.
Read this article to make it cheaper (simplify things).
Check the rock walls, the idea is the same.
![31 zero energy house, passive house, sustainable house, eco house](https://www.maverickmansions.com/wp-content/uploads/2017/02/31-zero-energy-house-passive-house-sustainable-house-eco-house.jpg)
Quite cheap to make … looks great and resist “time itself”.
Read this article to make it cheaper (simplify things).
Check the rock walls, the idea is the same.