Spent two winters in AZ. Dew freezes at night in the high desert, and melts at noon, except in parts not touched by sunlight, or sufficiently insulated (i.e. tu

Spent two winters in AZ. Dew freezes at night in the high desert, and melts at noon, except in parts not touched by sunlight, or sufficiently insulated (i.e. tufts of grass, bushes) It gets hot enough to be unbareably hot at noon, in that pullover you put on at night so as not to freeze to death. I reckon it would be a great place to erect an ancient Persian ice house, Yakhchal. https://www.maxfordham.com/research-innovation/the-physics-of-freezing-at-the-iranian-yakhchal/ https://www.maxfordham.com/research-innovation/the-physics-o...