Merkinism fer mud hut

The mud is of a rather special sort as I remember and it's dried with parbly some straw or suchlike in it. The walls tend to be very thick and it generally stays nicely cool in the heat, but you don't want to build one where it rains a lot. It's quite popular in the American Southwest. I lived in one for a summer in Santa Fe, New Mexico and it was just fine.