Photo taken by Soare.
Wikipedia is a great place. I was reading about natural building and found a link to a natural building material that I had never heard of before called “Chirpici“. It looks like light clay in forms dried like adobe brick.
“the chirpici bricks used for construction are made out of clay, with straws and manure and are baked in the sun before they are used. The result isn’t as hardy as regular bricks…”